Aragonite Calcite crystals often exhibit a

Calcite crystals often exhibit a remarkable optical property called double refraction

curved break patterns)

This expertly polished sphere showcases the quartzite's natural

translucent colors green

Malachite's natural patterns and color variations make it a favorite among collectors and artists seeking to incorporate its mesmerizing qualities into their creations

Aragonite Calcite crystals often exhibit aSize: 4 x 3 x 3 cms (Avg) Weight: 50 grams (Avg) Location: USA Product Description: Aragonite is a mineral composed of calcium carbonate (CaCO3) with an orthorhombic crystal system. It forms in sedimentary environments, such as in shells and skeletons of marine organisms, and in hydrothermal veins. Aragonite has a hardness of 3. 5 4 on the Mohs scale and exhibits a distinctive crystal shape.