{"title":"Feldspars","description":"\u003cdiv class=\"rm-type-pills\" style=\"margin:16px 0 8px;\"\u003e\n\u003ca href=\"\/collections\/raw-materials-and-ceramic-chemicals\" style=\"display:inline-block;padding:8px 18px;margin:0 8px 10px 0;border:1px solid #2b5f8a;border-radius:999px;font-size:15px;line-height:1.3;text-decoration:none;background:#ffffff;color:#2b5f8a;\"\u003eAll Raw Materials\u003c\/a\u003e\u003ca href=\"\/collections\/mason-stains\" style=\"display:inline-block;padding:8px 18px;margin:0 8px 10px 0;border:1px solid #2b5f8a;border-radius:999px;font-size:15px;line-height:1.3;text-decoration:none;background:#ffffff;color:#2b5f8a;\"\u003eMason Stains\u003c\/a\u003e\u003ca href=\"\/collections\/raw-materials-frits\" style=\"display:inline-block;padding:8px 18px;margin:0 8px 10px 0;border:1px solid #2b5f8a;border-radius:999px;font-size:15px;line-height:1.3;text-decoration:none;background:#ffffff;color:#2b5f8a;\"\u003eFrits\u003c\/a\u003e\u003ca href=\"\/collections\/raw-materials-feldspars\" style=\"display:inline-block;padding:8px 18px;margin:0 8px 10px 0;border:1px solid #2b5f8a;border-radius:999px;font-size:15px;line-height:1.3;text-decoration:none;background:#2b5f8a;color:#ffffff;\"\u003eFeldspars\u003c\/a\u003e\u003ca href=\"\/collections\/raw-materials-clays-and-kaolins\" style=\"display:inline-block;padding:8px 18px;margin:0 8px 10px 0;border:1px solid #2b5f8a;border-radius:999px;font-size:15px;line-height:1.3;text-decoration:none;background:#ffffff;color:#2b5f8a;\"\u003eClays and Kaolins\u003c\/a\u003e\u003ca href=\"\/collections\/raw-materials-oxides-and-carbonates\" style=\"display:inline-block;padding:8px 18px;margin:0 8px 10px 0;border:1px solid #2b5f8a;border-radius:999px;font-size:15px;line-height:1.3;text-decoration:none;background:#ffffff;color:#2b5f8a;\"\u003eOxides and Carbonates\u003c\/a\u003e\u003ca href=\"\/collections\/raw-materials-silica-grogs-and-refractories\" style=\"display:inline-block;padding:8px 18px;margin:0 8px 10px 0;border:1px solid #2b5f8a;border-radius:999px;font-size:15px;line-height:1.3;text-decoration:none;background:#ffffff;color:#2b5f8a;\"\u003eSilica, Grogs and Refractories\u003c\/a\u003e\u003ca href=\"\/collections\/raw-materials-additives\" style=\"display:inline-block;padding:8px 18px;margin:0 8px 10px 0;border:1px solid #2b5f8a;border-radius:999px;font-size:15px;line-height:1.3;text-decoration:none;background:#ffffff;color:#2b5f8a;\"\u003eAdditives\u003c\/a\u003e\u003ca href=\"\/collections\/us-gypsum-usg-plaster-information\" style=\"display:inline-block;padding:8px 18px;margin:0 8px 10px 0;border:1px solid #2b5f8a;border-radius:999px;font-size:15px;line-height:1.3;text-decoration:none;background:#ffffff;color:#2b5f8a;\"\u003ePlasters\u003c\/a\u003e\n\u003c\/div\u003e","products":[{"product_id":"spodumene-f-s-5-pounds-out-of-stock","title":"Spodumene F\u0026S","description":"\u003cdiv class=\"rm-testing-statement\" style=\"border:2px solid #8a5a00;border-radius:6px;padding:12px 16px;margin:16px 0;background:#fdf6e3;\"\u003e\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eYou must test before you use it, at any scale.\u003c\/strong\u003e Raw materials, mined or man-made, are not consistent. Color, strength, particle size and chemistry can change from one bag to the next and from one supplier to another, even when the name on the bag stays the same. Before you use this material in a glaze, slip or clay body of any size, mix a small test batch, fire it on your own clay in your own kiln, and check the results.\u003c\/p\u003e\u003c\/div\u003e\n\u003cp\u003eSPODUMENE FS\u003c\/p\u003e\n\u003cp\u003eIn ceramics, spodumene is primarily used as a source of \"lithium\" (referred to as \"lithia\") which acts as a flux, lowering the melting point of glazes and clay bodies, allowing for lower firing temperatures and promoting smoother vitrification; it can also contribute to brighter colors in glazes, particularly with cobalt blue, while also potentially creating a matte surface appearance\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestions?\u003c\/strong\u003e Call us at 1-888-774-2529.\u003c\/p\u003e","brand":"Sheffield Pottery","offers":[{"title":"1 Pound","offer_id":67286202220915,"sku":"RMSPOFS-1","price":24.55,"currency_code":"USD","in_stock":true},{"title":"5 Pounds","offer_id":45078511386946,"sku":"RMSPOFS","price":120.25,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":67286202253683,"sku":"RMSPOFS-10","price":239.5,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":67286202286451,"sku":"RMSPOFS-25","price":597.5,"currency_code":"USD","in_stock":true},{"title":"55 Pounds","offer_id":67286202319219,"sku":"RMSPOFS55","price":596.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/products\/RMSPOFS-1.jpg?v=1683454429"},{"product_id":"wollastonite-w-10-200m-5-pound-bag-rmwolw10","title":"Wollastonite W-10 (200 Mesh)","description":"\u003cdiv class=\"rm-testing-statement\" style=\"border:2px solid #8a5a00;border-radius:6px;padding:12px 16px;margin:16px 0;background:#fdf6e3;\"\u003e\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eYou must test before you use it, at any scale.\u003c\/strong\u003e Raw materials, mined or man-made, are not consistent. Color, strength, particle size and chemistry can change from one bag to the next and from one supplier to another, even when the name on the bag stays the same. Before you use this material in a glaze, slip or clay body of any size, mix a small test batch, fire it on your own clay in your own kiln, and check the results.\u003c\/p\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003eWollastonite W-10 200M\u003c\/p\u003e","brand":"Sheffield Pottery","offers":[{"title":"5 Pounds","offer_id":45105288085826,"sku":"RMWOLW10","price":9.5,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":67286206316915,"sku":"RMWOLW10-10","price":18.0,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":67286206349683,"sku":"RMWOLW10-25","price":42.5,"currency_code":"USD","in_stock":true},{"title":"50 Pounds","offer_id":67286206382451,"sku":"RMWOLW10-50","price":41.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/products\/RMWOLW10-2.jpg?v=1683796675"},{"product_id":"hamill-gilespie-cornwall-stone-50-pounds-rmcorstohg","title":"Cornwall Stone (Hammill \u0026 Gillespie)","description":"\u003cdiv class=\"rm-testing-statement\" style=\"border:2px solid #8a5a00;border-radius:6px;padding:12px 16px;margin:16px 0;background:#fdf6e3;\"\u003e\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eYou must test before you use it, at any scale.\u003c\/strong\u003e Raw materials, mined or man-made, are not consistent. Color, strength, particle size and chemistry can change from one bag to the next and from one supplier to another, even when the name on the bag stays the same. Before you use this material in a glaze, slip or clay body of any size, mix a small test batch, fire it on your own clay in your own kiln, and check the results.\u003c\/p\u003e\u003c\/div\u003e\n\u003ch2 class=\"abz-seo-product\"\u003eH\u0026amp;G Cornwall Stone\u003c\/h2\u003e\nHammill \u0026amp; Gillespie, a supplier of specialty clays and minerals, has found a substitute named H\u0026amp;G Cornwall Stone which can be used as a replacement in most glaze formulas. It is always best to test any new material, however, before committing to large scale production.\u003cbr\u003e\u003cbr\u003e Click here for the article from Ceramics Technical by Jeff Zamek about the differences and similarities of the original and the new: \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/HG-Cornwall-Stone.pdf?v=1685969503\"\u003ehttps:\/\/www.sheffield-pottery.live\/v\/vspfiles\/downloadables\/HG-Cornwall-Stone.pdf \u003c\/a\u003e\u003ciframe src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/HG-Cornwall-Stone.pdf?v=1685969503\" height=\"”800px;”\" width=\"”100%;”\"\u003e\u003c\/iframe\u003e","brand":"Sheffield Pottery","offers":[{"title":"1 Pound","offer_id":67286202089843,"sku":"RMCORSTOHG-1","price":3.4,"currency_code":"USD","in_stock":true},{"title":"5 Pounds","offer_id":45113707004226,"sku":"RMCORSTOHG","price":16.25,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":67286202122611,"sku":"RMCORSTOHG-10","price":31.5,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":67286202155379,"sku":"RMCORSTOHG-25","price":76.25,"currency_code":"USD","in_stock":true},{"title":"55 Pounds","offer_id":67286202188147,"sku":"RMCORSTOHG55","price":111.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/large-Cornwall_stone_sub.jpg?v=1696617509"},{"product_id":"nepheline-syenite-270m-minex-3-50-pound-bag-rmnepsyn3bag","title":"Nepheline Syenite 270 Mesh (Minex 3)","description":"\u003cdiv class=\"rm-testing-statement\" style=\"border:2px solid #8a5a00;border-radius:6px;padding:12px 16px;margin:16px 0;background:#fdf6e3;\"\u003e\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eYou must test before you use it, at any scale.\u003c\/strong\u003e Raw materials, mined or man-made, are not consistent. Color, strength, particle size and chemistry can change from one bag to the next and from one supplier to another, even when the name on the bag stays the same. Before you use this material in a glaze, slip or clay body of any size, mix a small test batch, fire it on your own clay in your own kiln, and check the results.\u003c\/p\u003e\u003c\/div\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003ch2 class=\"abz-seo-product\"\u003eNepheline Syenite 270M-Minex 3:  50 Pound Bag:\u003c\/h2\u003e\u003cspan class=\"_Tgc\"\u003e\u003cb\u003eNepheline syenite\u003c\/b\u003e is a holocrystalline plutonic rock that consists largely of \u003cb\u003enepheline\u003c\/b\u003e\n and alkali feldspar. The rocks are mostly pale colored, grey or pink, \nand in general appearance they are not unlike granites, but dark green \nvarieties are also known. Phonolite is the fine-grained extrusive \nequivalent.\u003c\/span\u003e","brand":"Sheffield Pottery","offers":[{"title":"5 Pounds","offer_id":67286201467251,"sku":"RMNEPSYN3","price":8.0,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":67286201500019,"sku":"RMNEPSYN3-10","price":15.0,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":67286201532787,"sku":"RMNEPSYN3-25","price":35.0,"currency_code":"USD","in_stock":true},{"title":"50 Pounds","offer_id":45113736528194,"sku":"RMNEPSYN3BAG","price":34.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/nepth_024adbc4-9d5e-4010-b6a1-fe8959731a48.png?v=1791876658"},{"product_id":"nepheline-syenite-400m-minex-4-50-pound-bag-rmnepsyn450","title":"Nepheline Syenite 400 Mesh (Minex 4)","description":"\u003cdiv class=\"rm-testing-statement\" style=\"border:2px solid #8a5a00;border-radius:6px;padding:12px 16px;margin:16px 0;background:#fdf6e3;\"\u003e\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eYou must test before you use it, at any scale.\u003c\/strong\u003e Raw materials, mined or man-made, are not consistent. Color, strength, particle size and chemistry can change from one bag to the next and from one supplier to another, even when the name on the bag stays the same. Before you use this material in a glaze, slip or clay body of any size, mix a small test batch, fire it on your own clay in your own kiln, and check the results.\u003c\/p\u003e\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 class=\"abz-seo-product\"\u003eNEPHELINE SYENITE 400M-MINEX 4\u003c\/h2\u003e\n\u003cp\u003e\u003cspan class=\"_Tgc\"\u003e\u003cb\u003eNepheline syenite\u003c\/b\u003e is a holocrystalline plutonic rock that consists largely of \u003cb\u003enepheline\u003c\/b\u003e and alkali feldspar. The rocks are mostly pale colored, grey or pink, and in general appearance they are not unlike granites, but dark green varieties are also known. Phonolite is the fine-grained extrusive equivalent.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp class=\"jot-paragraph-element\"\u003eMINEX fillers, made from Nepheline syenite, offer high performance, regulatory compliance, and sustainability for coatings, paints, adhesives, and inks. They enhance weatherability, UV resistance, and durability, resist yellowing and chemicals, and improve corrosion resistance and coverage. Available in multiple grades, they rapidly disperse in systems, supporting versatile, high-quality formulations.\u003c\/p\u003e\n\u003cp class=\"jot-paragraph-element\"\u003e \u003c\/p\u003e\n\u003cdiv class=\"col-lg my-5 mt-lg-0\"\u003e\n\u003cdiv class=\"column-padding px-0 ps-lg-0\"\u003e\n\u003cp\u003eMINEX is made of nepheline syenite, a mineral consisting of nepheline and feldspar. Because nepheline only occurs in rocks that are deficient in silica, nepheline syenite products are virtually silica-free. Covia’s nepheline syenite is responsibly mined from high-purity ore reserves in Blue Mt., Ontario, Canada. In functional fillers, nepheline’s hardness confers excellent resistance to abrasion, fading, cracking and aging associated with environmental and chemical exposures. The mineral’s angular particle shape and low surface area give nepheline syenite coatings easy dispersibility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-3 pt-5 text-center pt-lg-0 text-lg-start\"\u003e\n\u003cdiv class=\"ps-0 ps-lg-4 w-100 detailTitle\"\u003e\n\u003cp\u003e\u003cspan class=\"blue-RTE\"\u003e\u003cstrong\u003eMineral:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-lg-9\"\u003e\n\u003cdiv class=\"text-center text-lg-start w-100 detail-description\"\u003e\n\u003cp\u003eNepheline syenite\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-lg-3 pt-5 text-center pt-lg-0 text-lg-start\"\u003e\n\u003cdiv class=\"ps-0 ps-lg-4 w-100 detailTitle\"\u003e\n\u003cp\u003e\u003cspan class=\"blue-RTE\"\u003e\u003cstrong\u003eProduct category:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-lg-9\"\u003e\n\u003cdiv class=\"text-center text-lg-start w-100 detail-description\"\u003e\n\u003cp\u003eFunctional filler, extender\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-lg-3 pt-5 text-center pt-lg-0 text-lg-start\"\u003e\n\u003cdiv class=\"ps-0 ps-lg-4 w-100 detailTitle\"\u003e\n\u003cp\u003e\u003cspan class=\"blue-RTE\"\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-lg-9\"\u003e\n\u003cdiv class=\"text-center text-lg-start w-100 detail-description\"\u003e\n\u003cp\u003eCleaning and detailing compound, wood varnish, industrial floor\/deck\/roof coatings, paints.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"col-lg-3 pt-5 text-center pt-lg-0 text-lg-start\"\u003e\n\u003cdiv class=\"ps-0 ps-lg-4 w-100 detailTitle\"\u003e\n\u003cp\u003e\u003cspan class=\"blue-RTE\"\u003e\u003cstrong\u003eWeatherability:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-lg-9\"\u003e\n\u003cdiv class=\"text-center text-lg-start w-100 detail-description\"\u003e\n\u003cp\u003eExcellent brightness, tint retention and resistance to adverse effects of weather and sunlight exposure in exterior paints.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-lg-3 pt-5 text-center pt-lg-0 text-lg-start\"\u003e\n\u003cdiv class=\"ps-0 ps-lg-4 w-100 detailTitle\"\u003e\n\u003cp\u003e\u003cspan class=\"blue-RTE\"\u003e\u003cstrong\u003eEnhanced performance:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-lg-9\"\u003e\n\u003cdiv class=\"text-center text-lg-start w-100 detail-description\"\u003e\n\u003cp\u003eImproved color, sheen uniformity, chemical and stain resistance and durability in interior paint formulations.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-lg-3 pt-5 text-center pt-lg-0 text-lg-start\"\u003e\n\u003cdiv class=\"ps-0 ps-lg-4 w-100 detailTitle\"\u003e\n\u003cp\u003e\u003cspan class=\"blue-RTE\"\u003e\u003cstrong\u003eCost efficiency:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-lg-9\"\u003e\n\u003cdiv class=\"text-center text-lg-start w-100 detail-description\"\u003e\n\u003cp\u003eHigh volume solids\/lowest viscosity in solvent-borne industrial coating for lower VOC and increased coverage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-lg-3 pt-5 text-center pt-lg-0 text-lg-start\"\u003e\n\u003cdiv class=\"ps-0 ps-lg-4 w-100 detailTitle\"\u003e\n\u003cp\u003e\u003cspan class=\"blue-RTE\"\u003e\u003cstrong\u003eImproved dispersion:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-lg-9\"\u003e\n\u003cdiv class=\"text-center text-lg-start w-100 detail-description\"\u003e\n\u003cp\u003eEasily dispersed in both aqueous and solvent-based systems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-lg-3 pt-5 text-center pt-lg-0 text-lg-start\"\u003e\n\u003cdiv class=\"ps-0 ps-lg-4 w-100 detailTitle\"\u003e\n\u003cp\u003e\u003cspan class=\"blue-RTE\"\u003e\u003cstrong\u003eLow oil absorption:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-lg-9\"\u003e\n\u003cdiv class=\"text-center text-lg-start w-100 detail-description\"\u003e\n\u003cp\u003ePermits high loadings in adhesives, sealants and coatings.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sheffield Pottery","offers":[{"title":"5 Pounds","offer_id":67286201598323,"sku":"RMNEPSYN4","price":8.5,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":67286201631091,"sku":"RMNEPSYN4-10","price":16.0,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":67286201663859,"sku":"RMNEPSYN4-25","price":37.5,"currency_code":"USD","in_stock":true},{"title":"50 Pounds","offer_id":45113736626498,"sku":"RMNEPSYN450","price":37.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/s-l1200_67b46b1c-7e65-4945-9bf1-e9cd816271a4.webp?v=1791876722"},{"product_id":"g-200eu-feldspar-potash-spain-55-pound-bag-rmpotg200eu44","title":"G-200EU Potash Feldspar (Spain)","description":"\u003cdiv class=\"rm-testing-statement\" style=\"border:2px solid #8a5a00;border-radius:6px;padding:12px 16px;margin:16px 0;background:#fdf6e3;\"\u003e\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eYou must test before you use it, at any scale.\u003c\/strong\u003e Raw materials, mined or man-made, are not consistent. Color, strength, particle size and chemistry can change from one bag to the next and from one supplier to another, even when the name on the bag stays the same. Before you use this material in a glaze, slip or clay body of any size, mix a small test batch, fire it on your own clay in your own kiln, and check the results.\u003c\/p\u003e\u003c\/div\u003e\n\u003ch2 class=\"abz-seo-product\"\u003eG-200EU FELDSPAR POTASH From Spain: 55 Pound Bag\u003c\/h2\u003e\n\u003cp\u003eG-200EU Feldspar Potash (Spain) : 55 Pound Bag:\u003cbr\u003eThe newest K-spar to replace the old G200 and G200HP\u003cbr\u003eTest, Test, Test!!!\u003c\/p\u003e\n\u003cp\u003ePotassic Feldspar for Tableware, bodies and glazes\u003cbr\u003eTiles \u0026amp; Sanitaryware Glazes and Engobes\u003cbr\u003eElectric Porcelain Insulators\u003c\/p\u003e\n\u003cp\u003eG-200 EU\u003cbr\u003eCHARACTERISTICS\u003cbr\u003eThe feldspar G-200 EU is obtained from the feldspathic sand by flotation process, dried and micronized. It has a regular chemical composition and a very stable particle size distribution. The residual reactives are removed by means of an appropriate physicochemical process.\u003cbr\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/Custer-Feldspar-g200-comparison.jpg?v=1684313330\" alt=\"Custer g200 feldspar comparison\"\u003e\u003cbr\u003eCHEMICAL ANALYSIS (%)\u003cbr\u003eSiO2 68.50\u003cbr\u003eAl2O3 17.00\u003cbr\u003eFe2O3 0.095\u003cbr\u003eTiO2 0.03\u003cbr\u003eK2O 11.00\u003cbr\u003eNa2O 2.10\u003cbr\u003eCaO 0.50\u003cbr\u003eMgO 0.08\u003cbr\u003eL.O.I. 0.50\u003c\/p\u003e\n\u003cp\u003eMINERALOGICAL ANALYSIS (%)\u003cbr\u003eTotal feldspar 93\u003cbr\u003eK feldspar 70\u003cbr\u003eNa feldspar 23\u003cbr\u003eQuartz 7\u003cbr\u003eOthers \u0026lt; 0.03\u003c\/p\u003e\n\u003cp\u003ePHYSICAL PROPERTIES\u003cbr\u003eScreen Analysis (cumulative percent retained)\u003cbr\u003e+40 mesh 0\u003cbr\u003e+200 mesh 0.5\u003cbr\u003e+325 mesh 6.2\u003cbr\u003e\u003c\/p\u003e","brand":"Sheffield Pottery","offers":[{"title":"1 Pound","offer_id":67286201303411,"sku":"RMPOTG200EU-1","price":2.0,"currency_code":"USD","in_stock":true},{"title":"5 Pounds","offer_id":67286201336179,"sku":"RMPOTG200EU-5","price":9.25,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":67286201368947,"sku":"RMPOTG200EU10","price":17.5,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":67286201401715,"sku":"RMPOTG200EU-25","price":41.25,"currency_code":"USD","in_stock":true},{"title":"55 Pounds","offer_id":45113741050178,"sku":"RMPOTG200EU44","price":59.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/g200.jpg?v=1738688657"},{"product_id":"pyrophyllite-pyrax-b-50-lb-bag-rmpyrb","title":"Pyrophyllite (Pyrax B)","description":"\u003cdiv class=\"rm-testing-statement\" style=\"border:2px solid #8a5a00;border-radius:6px;padding:12px 16px;margin:16px 0;background:#fdf6e3;\"\u003e\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eYou must test before you use it, at any scale.\u003c\/strong\u003e Raw materials, mined or man-made, are not consistent. Color, strength, particle size and chemistry can change from one bag to the next and from one supplier to another, even when the name on the bag stays the same. Before you use this material in a glaze, slip or clay body of any size, mix a small test batch, fire it on your own clay in your own kiln, and check the results.\u003c\/p\u003e\u003c\/div\u003e\n\u003cspan\u003e\u003c\/span\u003e\n\u003ch2 class=\"abz-seo-product\"\u003ePYROPHYLLITE : PYRAX B\u003c\/h2\u003e\n50 lb bag PYRAX® B Pyrophyllite\u003cbr\u003e A medium fineness pyrophyllite produced from mines in North Carolina. PYRAX B has a mica type structure that gives good reinforcement properties in high build coatings like texture paints and block fillers, joint compounds and adhesives.\u003cbr\u003eCOMPOSITION\u003cbr\u003equartz 40 - 50 \u003cbr\u003epyrophyllite 40 - 45 \u003cbr\u003emica 5 - 20 \u003cbr\u003ekaolin clay 2 - 10","brand":"Sheffield Pottery","offers":[{"title":"5 Pounds","offer_id":67289114968435,"sku":"RMPYROB-5","price":5.75,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":67289115001203,"sku":"RMPYROB-10","price":10.5,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":67289115033971,"sku":"RMPYROB-25","price":23.75,"currency_code":"USD","in_stock":true},{"title":"50 Pounds","offer_id":45113741607234,"sku":"RMPYROB","price":23.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/download_1f83142f-84fd-41b4-9494-559770b0c8d0.jpg?v=1791876723"},{"product_id":"minspar-200-50-pounds-dry-rmsodmin20050","title":"Minspar 200","description":"\u003cdiv class=\"rm-testing-statement\" style=\"border:2px solid #8a5a00;border-radius:6px;padding:12px 16px;margin:16px 0;background:#fdf6e3;\"\u003e\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eYou must test before you use it, at any scale.\u003c\/strong\u003e Raw materials, mined or man-made, are not consistent. Color, strength, particle size and chemistry can change from one bag to the next and from one supplier to another, even when the name on the bag stays the same. Before you use this material in a glaze, slip or clay body of any size, mix a small test batch, fire it on your own clay in your own kiln, and check the results.\u003c\/p\u003e\u003c\/div\u003e\n\u003cspan\u003e\u003c\/span\u003eMINSPAR 200 : 50 pounds dry","brand":"Sheffield Pottery","offers":[{"title":"5 Pounds","offer_id":67286201008499,"sku":"RMSODMIN200-5","price":6.0,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":67286201041267,"sku":"RMSODMIN200","price":11.0,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":67286201074035,"sku":"RMSODMIN200-25","price":25.0,"currency_code":"USD","in_stock":true},{"title":"50 Pounds","offer_id":45113749995842,"sku":"RMSODMIN20050","price":25.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/large-Minspar_200_powder_5f593c65-e75f-48b0-97b7-dc837dd7b9ab.jpg?v=1791876724"},{"product_id":"volcanic-ash-pumice-rmvolash","title":"Volcanic Ash (Pumice)","description":"\u003cdiv class=\"rm-testing-statement\" style=\"border:2px solid #8a5a00;border-radius:6px;padding:12px 16px;margin:16px 0;background:#fdf6e3;\"\u003e\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eYou must test before you use it, at any scale.\u003c\/strong\u003e Raw materials, mined or man-made, are not consistent. Color, strength, particle size and chemistry can change from one bag to the next and from one supplier to another, even when the name on the bag stays the same. Before you use this material in a glaze, slip or clay body of any size, mix a small test batch, fire it on your own clay in your own kiln, and check the results.\u003c\/p\u003e\u003c\/div\u003e\n\u003ch2 class=\"abz-seo-product\"\u003e\u003cspan style=\"font-family: Verdana;\"\u003eVOLCANIC ASH - PUMICE:\u003c\/span\u003e\u003c\/h2\u003e\u003cspan style=\"font-family: Verdana;\"\u003e\u003cimg align=\"right\" alt=\"Vocanic ash chemical analysis\" border=\"0px\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/vol-ash-analysis.jpg?v=1684313389\"\u003eNavajo Brand® Pumice is a near-white, volcanic glass that is widely used\n in industrial and cosmetic products.  Navajo Brand® Pumice is mined as \nnatural ore from open pits in Espanola, New Mexico.  This ore is \ntransported to our plant in Ohkay Owingeh (formerly San Juan Pueblo) \nwhere it is crushed, milled, dried, and processed through a modern \nclassification system, producing the rigorously controlled, consistently\n uniform Navajo Brand® products.  \u003c\/span\u003e\u003cbr\u003e\u003cbr\u003eTHE ONE OFFERED HERE IS FFF in chart below:\u003cbr\u003e\u003cimg align=\"\" alt=\"Volcanic Ash Pumice Specs\" border=\"0px\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/pumice-navajo.jpg?v=1684313406\"\u003e","brand":"Sheffield Pottery","offers":[{"title":"1 Pound","offer_id":67286202384755,"sku":"RMVOLASH-1","price":4.1,"currency_code":"USD","in_stock":true},{"title":"5 Pounds","offer_id":67286202417523,"sku":"RMVOLASH-5","price":19.75,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":45113760153922,"sku":"RMVOLASH","price":38.5,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":67286202450291,"sku":"RMVOLASH-25","price":93.75,"currency_code":"USD","in_stock":true},{"title":"50 Pounds","offer_id":67286202483059,"sku":"RMVOLASH50","price":172.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/30397__27487.jpg?v=1724434852"},{"product_id":"wollastonite-w-20-325m-5-pound-unit-rmwolw20","title":"Wollastonite W-20 (325 Mesh)","description":"\u003cdiv class=\"rm-testing-statement\" style=\"border:2px solid #8a5a00;border-radius:6px;padding:12px 16px;margin:16px 0;background:#fdf6e3;\"\u003e\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eYou must test before you use it, at any scale.\u003c\/strong\u003e Raw materials, mined or man-made, are not consistent. Color, strength, particle size and chemistry can change from one bag to the next and from one supplier to another, even when the name on the bag stays the same. Before you use this material in a glaze, slip or clay body of any size, mix a small test batch, fire it on your own clay in your own kiln, and check the results.\u003c\/p\u003e\u003c\/div\u003e\n\u003cspan\u003e\u003c\/span\u003eWOLLASTONITE W-20 325M \u003cbr\u003e Wollastonite, a calcium metasilicate (CaSiO3), has a theoretical composition of 48.3% calcium oxide and 51.7% silicon dioxide but may contain trace to minor amounts of aluminum, iron, magnesium, manganese, potassium, and sodium.  It occurs as prismatic crystals that cleave into massive-to-acicular fragments.  It is usually white, but also may be gray, brown, or red depending on its composition.  Deposits of wollastonite have been found in Arizona, California, Idaho, Nevada, New Mexico, New York, and Utah.  These deposits are typically skarns containing wollastonite as the major component and calcite, diopside, garnet, idocrase, and (or) quartz as minor components.  Major uses for wollastonite are in plastics, ceramics, metallurgy, paint, and friction products","brand":"Sheffield Pottery","offers":[{"title":"5 Pounds","offer_id":45113764839746,"sku":"RMWOLW20","price":9.5,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":67286206447987,"sku":"RMWOLW20-10","price":18.0,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":67286206480755,"sku":"RMWOLW20-25","price":42.5,"currency_code":"USD","in_stock":true},{"title":"50 Pounds","offer_id":67286206513523,"sku":"RMWOLW2050","price":41.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/large-Wollastonite_powder_7903b8c6-fda8-4485-9eb2-77a22f254ddb.jpg?v=1696967758"},{"product_id":"wollastonite-w-30-325-mesh-50-pound-bag-rmwolw30","title":"Wollastonite W-30 (400 Mesh)","description":"\u003cdiv class=\"rm-testing-statement\" style=\"border:2px solid #8a5a00;border-radius:6px;padding:12px 16px;margin:16px 0;background:#fdf6e3;\"\u003e\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eYou must test before you use it, at any scale.\u003c\/strong\u003e Raw materials, mined or man-made, are not consistent. Color, strength, particle size and chemistry can change from one bag to the next and from one supplier to another, even when the name on the bag stays the same. Before you use this material in a glaze, slip or clay body of any size, mix a small test batch, fire it on your own clay in your own kiln, and check the results.\u003c\/p\u003e\u003c\/div\u003e\n\u003cspan\u003e\u003c\/span\u003eWOLLASTONITE W-30 400 Mesh : 5 Pound Unit","brand":"Sheffield Pottery","offers":[{"title":"5 Pounds","offer_id":45113765429570,"sku":"RMWOLW30","price":12.5,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":67286206611827,"sku":"RMWOLW30-10","price":24.0,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":67286206644595,"sku":"RMWOLW30-25","price":57.5,"currency_code":"USD","in_stock":true},{"title":"50 Pounds","offer_id":67286206677363,"sku":"RMWOLW3050","price":56.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/products\/RMWOLW30-2.jpg?v=1683889152"},{"product_id":"petalite","title":"Petalite","description":"\u003cdiv class=\"rm-testing-statement\" style=\"border:2px solid #8a5a00;border-radius:6px;padding:12px 16px;margin:16px 0;background:#fdf6e3;\"\u003e\u003cp style=\"margin:0;\"\u003e\u003cstrong\u003eYou must test before you use it, at any scale.\u003c\/strong\u003e Raw materials, mined or man-made, are not consistent. Color, strength, particle size and chemistry can change from one bag to the next and from one supplier to another, even when the name on the bag stays the same. Before you use this material in a glaze, slip or clay body of any size, mix a small test batch, fire it on your own clay in your own kiln, and check the results.\u003c\/p\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003ePETALITE: Powder\u003cbr\u003e\u003c\/p\u003e","brand":"Sheffield Pottery","offers":[{"title":"1 Pound","offer_id":62472309277043,"sku":"RMPETALI-1","price":3.45,"currency_code":"USD","in_stock":true},{"title":"5 Pounds","offer_id":62472309309811,"sku":"RMPETALI-5","price":16.5,"currency_code":"USD","in_stock":true},{"title":"10 Pounds","offer_id":62472309342579,"sku":"RMPETALI-10","price":32.0,"currency_code":"USD","in_stock":true},{"title":"25 Pounds","offer_id":67286214672755,"sku":"RMPETALI-25","price":77.5,"currency_code":"USD","in_stock":true},{"title":"55 Pounds","offer_id":62472309375347,"sku":"RMPETALI","price":113.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/5508\/2050\/files\/Petalite-powder_2ef9790e-d356-4dea-9bca-18f4f36452b5.jpg?v=1791877058"}],"url":"https:\/\/www.sheffield-pottery.live\/collections\/raw-materials-feldspars.oembed","provider":"Sheffield Pottery Inc.","version":"1.0","type":"link"}