... Calcite Powder,100-1250 mesh.purity:50%,86%,94%,96%,99% 1. The superfine heavy calcium carbonate is select high-quality lily-white ... 200 meshes, 100 mesh, etc.The calcite (don't weighing calcium carbonate), is a kind of natural non-metallic minerals. The ... chemical formula for CaCO3, theoretical chemical composition CaO56.04 %, CO243.96 for: crystal department of tripartite %,, often with a complex ...