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Regional areas: | 3-4 business days |
Remote areas: | 3-5 business days |
V
BLUE CALCITE SPHERE
Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO3). The other polymorphs are the mineralsaragonite and vaterite. Aragonite will change to calcite at 380-470 °C[5], and vaterite is even less stable