Bulk Minerals

Bulk Green Calcite - 1 lb - 25+ pieces

Gorgeous green calcite - perfect for classroom or party dig or panning activity - great for classroom mineral collections. Often used as a healing crystal. Calcite is a rock-forming mineral with a chemical formula of CaCO3. It is extremely common and found throughout the world in sedimentary, metamorphic, and igneous rocks. Some geologists consider it to be a "ubiquitous mineral" - one that is found everywhere. Calcite is the principal constituent of limestone and marble. 1 lb - 25+ pieces

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