Caribbean Calcite
Calcite and Aragonite (CaCO3)
Rock Type: mineral

Physical Properties
Hardness: 3 (Mohs scale), Color: Sky blue to ocean turquoise with white/beige bands, Luster: Vitreous to waxy, Crystal structure: Trigonal/Orthorhombic, Specific gravity: 2.71
Formation & Geological History
It is a combination of blue calcite and white/brown aragonite. Formed in marine sedimentary environments through the accumulation of calcium carbonate. This specific combination was recently discovered around 2019 in Pakistan.
Uses & Applications
Primarily used for decorative purposes, crystal healing, metaphysical practices, and as collector specimens in the form of towers or spheres.
Geological Facts
Despite its name, 'Caribbean Calcite' does not come from the Caribbean; it is named for its visual resemblance to the tropical sea and sand.
Field Identification & Locations
Identify by its unique blue and beige mottled appearance and its softness (can be scratched by a copper coin). It is most commonly found in the Balochistan province of Pakistan.
Identified on: 4/29/2026
Mode: Standard