Calcite is a carbonate mineral and the most stable poly-morph of calcium carbonate (CaCO3). It is found in sedimentary, metamorphic, and igneous rocks. Besides being beautiful to collect it is one of the most widely used minerals in the world! Some of the uses are as an Abrasive, Agricultural Soil Treatment, Antacids, Construction Aggregate/Material, Medications, and Pigment.
 
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* Sizes, shapes and colors my vary due to being a natural stone, being hand-carved and/or difference in computer monitors.