Pearl (Biogenic Gemstone)
Calcium Carbonate (Aragonite and Calcite) with Conchiolin
gemstone
Category
Organic Gemstone (Mineraloid)
Browse organic gemstone (mineraloid) specimens identified by the Rock Identifier community.
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Pearl
Calcium Carbonate (primarily Aragonite and Calcite), CaCO3
mineral
Pearl
Aragonite (CaCO3) with Conchiolin
mineral
Hypersthene
(Mg,Fe)SiO3 - Enstatite-Ferrosilite series
mineral
Pearl (as a biogenic mineral/gemstone)
Calcium Carbonate (mostly Aragonite), CaCO3
mineral
Prasiolite and Quartz Crystal Cluster
Quartz (SiO2); Prasiolite is a variety of Quartz
mineral
Cubic Zirconia
Zirconium dioxide (ZrO2)
mineralogical simulant / gemstone