22115 - Top Beautiful Huge 3.17 Inch Calcite Crystals from South Morocco Morocco See also Kumar and Loyal

See also Kumar and Loyal 1987

It crystallizes in isometric cubic habit

Orthoceros regularis

Alteration processes develop the rim of the sample

Parent taxon: Trochurinae according to J

22115 - Top Beautiful Huge 3.17 Inch Calcite Crystals from South Morocco Morocco See also Kumar and LoyalHuge and sharp crystals of calcite from a new location unpublished in the mountains of the Erich region, Morocco. Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO3). The Mohs scale of mineral hardness, based on scratch hardness comparison, defines value 3 as "calcite". Other polymorphs of calcium carbonate are the minerals aragonite and vaterite. Aragonite will change to calcite over timescales of days or less at