1.5" Pristine Calcite Crystal Cluster - Red Dome Mine

This is a cluster of calcite crystals with a large, prominent crystal at its center, collected from the Red Dome Mine in Australia. Due to the closure of this mine, it can be difficult to come across these stunning calcite crystals. The impurities within this crystal that give it its red-orange hue can likely be attributed to cuprite.

It has been mounted to an acrylic display base with mineral tack.

Calcite, CaCO3, is a carbonate mineral and the most stable polymorph of calcium carbonate. The other polymorphs are the minerals aragonite and vaterite. Calcite crystals are trigonal-rhombohedral, though actual calcite rhombohedra are rare as natural crystals. However, they show a remarkable variety of habits including acute to obtuse rhombohedra, tabular forms, and prisms. Calcite exhibits several twinning types adding to the variety of observed forms. It may occur as fibrous, granular, lamellar, or compact. Cleavage is usually in three directions parallel to the rhombohedron form.
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DETAILS
SPECIES
Calcite
LOCATION
Red Dome Mine, Mungana, Queensland, Australia
SIZE
Cluster: 1.5 x 1.4"
CATEGORY
ITEM
#204670