Zinc Carbonate 99.9% Powder for Ceramic & Glass Crafts (0.5-5 lb)

ZINC CARBONATE, CERAMIC & GLASS SUPPLIES , 1/2, 1, 2, 5, KGSmall Packages under ONE Pound will now Ship First Class Mail Zinc carbonate is the inorganic compound with the formula ZnCO3. It is a white solid that is insoluble in water. It exists in nature as the mineral smithsonite. It is prepared by treating cold solutions of zinc sulfate with potassium bicarbonate. Upon warming, it converts to basic zinc carbonate (Zn5(CO3)2(OH)6)Zinc carbonate adopts the same structure as calcium carbonate. Zinc is octahedral and each carbonate is bonded to six Zn centers such that oxygen atoms are three-coordinate. Testing Policy: Testing of raw materials should be an integral part of ceramic or glass making / manufacturing. Upon receipt of any new material, we strongly recommend that you test the material. "Paul Brown Studio Arts and Supplies" . has no control over either the variations that may occur in the natural materials or their application. All products are supplied as is from the manufacturer. No additional processing or technical support is supplied. Therefore, our products are sold with the understanding that the user is solely responsible for determining suitability for any purpose and the results obtained. There are no warranties expressed or implied, regarding the user’s finished product or results. Return Policy: NO RETURNS ACCEPTED