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Calcite Crystal; This is one particular habit of a calcite (Calcium Carbonate) crystal.

Calcite

Calcite Crystal; This is one particular habit of a calcite (Calcium Carbonate) crystal.

Calcite Crystal; This is one particular habit of a calcite (Calcium Carbonate) crystal.

Calcite

Calcite Crystal; This is one particular habit of a calcite (Calcium Carbonate) crystal.

This illustration shows calcite crystals. They are hexagonal-rhombohedral, though actual calcite rhombohedrons are rare as natural crystals.

Calcite Crystals

This illustration shows calcite crystals. They are hexagonal-rhombohedral, though actual calcite rhombohedrons…