Calcite

Calcite

Calcite

Calcite

Calcite

Calcite

Calcite.

Calcite

Calcite.

Calcite.

Calcite

Calcite.

Calcite.

Calcite

Calcite.

Calcite.

Calcite

Calcite.

Calcite.

Calcite

Calcite.

Calcite.

Calcite

Calcite.

Calcite.

Calcite

Calcite.

Calcite.

Calcite

Calcite.

"Hexagonal-rhombohedral. Crystals are very varied in habitat, often highly complex. Over 300 different forms have been described." — Ford, 1912

Calcite

"Hexagonal-rhombohedral. Crystals are very varied in habitat, often highly complex. Over 300 different…

"Hexagonal-rhombohedral. Crystals are very varied in habitat, often highly complex. Over 300 different forms have been described." — Ford, 1912

Calcite

"Hexagonal-rhombohedral. Crystals are very varied in habitat, often highly complex. Over 300 different…

"Hexagonal-rhombohedral. Crystals are very varied in habitat, often highly complex. Over 300 different forms have been described." — Ford, 1912

Calcite

"Hexagonal-rhombohedral. Crystals are very varied in habitat, often highly complex. Over 300 different…

"Hexagonal-rhombohedral. Crystals are very varied in habitat, often highly complex. Over 300 different forms have been described." — Ford, 1912

Calcite

"Hexagonal-rhombohedral. Crystals are very varied in habitat, often highly complex. Over 300 different…

"Hexagonal-rhombohedral. Crystals are very varied in habitat, often highly complex. Over 300 different forms have been described." — Ford, 1912

Calcite

"Hexagonal-rhombohedral. Crystals are very varied in habitat, often highly complex. Over 300 different…

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…

"...a variety of calcite, crystallizing in scalenohedral forms; so named from a fancied resemblance of its crystals to canine teeth." —Whitney, 1889

Dogtooth Spar

"...a variety of calcite, crystallizing in scalenohedral forms; so named from a fancied resemblance…