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Sheffield Pottery

Nepheline Syenite 400M-Minex 4 : 50 Pound Bag

Regular price $28.00
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SKU : RMNEPSYN450
Item Class: RAW MATERIALS
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NEPHELINE SYENITE 400M-MINEX 4: 50 pound bag

Nepheline syenite is a holocrystalline plutonic rock that consists largely of nepheline 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. 

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