Product DescriptionMy Business Email Is bobbiereful(at)gmail(dot)com Typical Physical and Chemical Analysis Carbon Content: 96% Specific Gravity: 1.6Avg Fracture: Angular Solubility in Alkaline Waters: None Density : 52Lbs./Ft3 Solubility in Acid Waters: None Hardness (Moh's Scale): 3.0 - 3.5 Solubility in Hydrochloric Acid: <0.2% Visibly free of clay, shale and extraneous dirt
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