Rock Identifier

Category

Organic Gemstone (For Pearl), Mineral (For Sapphire

Browse organic gemstone (for pearl), mineral (for sapphire specimens identified by the Rock Identifier community.

Baroque Pearl (and potentially a small Sapphire/Blue Topaz) (Pearl: Calcium Carbonate (aragonite or calcite) with conchiolin. Sapphire: Aluminum Oxide (Al2O3). Blue Topaz: Al2SiO4(F,OH)2.) — Organic Gemstone (for pearl), Mineral (for sapphire/topaz)

Baroque Pearl (and potentially a small Sapphire/Blue Topaz)

Pearl: Calcium Carbonate (aragonite or calcite) with conchiolin. Sapphire: Aluminum Oxide (Al2O3). Blue Topaz: Al2SiO4(F,OH)2.

Organic Gemstone (for pearl), Mineral (for sapphire/topaz)

Pearl (Calcium Carbonate (CaCO3) with Conchiolin) — mineral

Pearl

Calcium Carbonate (CaCO3) with Conchiolin

Black Pearl (Tahitian Pearl) (Aragonite / Calcite (CaCO3) with Conchiolin) — mineral

Black Pearl (Tahitian Pearl)

Aragonite / Calcite (CaCO3) with Conchiolin

Pearl (Calcium Carbonate (Aragonite/Calcite mixed with Conchiolin), CaCO3) — mineral

Pearl

Calcium Carbonate (Aragonite/Calcite mixed with Conchiolin), CaCO3

Pearl (Calcium carbonate (CaCO3) in the form of Aragonite or Calcite) — mineral

Pearl

Calcium carbonate (CaCO3) in the form of Aragonite or Calcite

Pearl (Calcium Carbonate (Aragonite) with Conchiolin; formula: CaCO3) — mineral

Pearl

Calcium Carbonate (Aragonite) with Conchiolin; formula: CaCO3

Pearl (Calcium Carbonate (mostly Aragonite), CaCO3 (with conchiolin)) — mineral

Pearl

Calcium Carbonate (mostly Aragonite), CaCO3 (with conchiolin)

Pearl (Biogenic Calcium Carbonate (Aragonite/Calcite), CaCO3) — mineral

Pearl

Biogenic Calcium Carbonate (Aragonite/Calcite), CaCO3

Pearl (Calcium Carbonate (primarily Aragonite and Calcite), CaCO3) — mineral

Pearl

Calcium Carbonate (primarily Aragonite and Calcite), CaCO3

Pearl (Calcium carbonate (CaCO3) as Aragonite or Calcite) — mineral

Pearl

Calcium carbonate (CaCO3) as Aragonite or Calcite

Pearl (Calcium Carbonate (CaCO3) + Conchiolin) — mineral

Pearl

Calcium Carbonate (CaCO3) + Conchiolin

Freshwater Pearl (Aragonite / Biogenic Calcium Carbonate (CaCO3)) — mineral

Freshwater Pearl

Aragonite / Biogenic Calcium Carbonate (CaCO3)

Pearl (Aragonite (CaCO3 with conchiolin)) — mineral

Pearl

Aragonite (CaCO3 with conchiolin)

Black Pearl (Tahitian-style Cultured Pearl) (Calcium Carbonate (Aragonite) with Conchiolin (CaCO3)) — mineral

Black Pearl (Tahitian-style Cultured Pearl)

Calcium Carbonate (Aragonite) with Conchiolin (CaCO3)

Turquoise and Red Coral (CuAl6(PO4)4(OH)8·4H2O (Turquoise) and Corallium rubrum (Red Coral)) — mineral

Turquoise and Red Coral

CuAl6(PO4)4(OH)8·4H2O (Turquoise) and Corallium rubrum (Red Coral)

Pearl (Calcium Carbonate (CaCO3) - Aragonite/Calcite organic gemstone) — mineral

Pearl

Calcium Carbonate (CaCO3) - Aragonite/Calcite organic gemstone

Natural Pearl (appearing in a jewelry setting) (Calcium Carbonate (mostly Aragonite), CaCO3 with Conchiolin) — mineral

Natural Pearl (appearing in a jewelry setting)

Calcium Carbonate (mostly Aragonite), CaCO3 with Conchiolin

Pearl (Calcium Carbonate (CaCO3) - Aragonite/Calcite) — mineral

Pearl

Calcium Carbonate (CaCO3) - Aragonite/Calcite

Pearl (Organic gemstone (Calcium carbonate / CaCO3 + Conchiolin)) — mineral

Pearl

Organic gemstone (Calcium carbonate / CaCO3 + Conchiolin)

Pearl (Biogenic Mineraloid) (Calcium carbonate (Aragonite) and Conchiolin, CaCO3) — mineral

Pearl (Biogenic Mineraloid)

Calcium carbonate (Aragonite) and Conchiolin, CaCO3

Pearl (Organic gemstone (Calcium carbonate - CaCO3)) — mineral

Pearl

Organic gemstone (Calcium carbonate - CaCO3)

White Coral (Corallium rubrum (biocarbonate calcium) / CaCO3) — mineral

White Coral

Corallium rubrum (biocarbonate calcium) / CaCO3

Natural or Cultured Pearl (Calcium Carbonate (Aragonite and Conchiolin), CaCO3) — Mineral (Organic)

Natural or Cultured Pearl

Calcium Carbonate (Aragonite and Conchiolin), CaCO3

Mineral (Organic)

Pearl (Organic Mineraloid (CaCO3 + Conchiolin)) — mineral

Pearl

Organic Mineraloid (CaCO3 + Conchiolin)

Pearl (Organic Mineral (CaCO3 with conchiolin)) — mineral

Pearl

Organic Mineral (CaCO3 with conchiolin)

Pearl (incorporated into jewelry) (Aragonite and Calcite (CaCO3)) — mineral

Pearl (incorporated into jewelry)

Aragonite and Calcite (CaCO3)

Black Pearl (Tahitian or Irradiated Type) (Organic gemstone (Calcium Carbonate with Conchiolin Binding)) — mineraloid

Black Pearl (Tahitian or Irradiated Type)

Organic gemstone (Calcium Carbonate with Conchiolin Binding)

Amber (Succinite (a fossilized organic resin)) — mineral

Amber

Succinite (a fossilized organic resin)

Black Freshwater Pearls (Biogenic Calcium Carbonate (Aragonite/Calcite), CaCO3) — mineral

Black Freshwater Pearls

Biogenic Calcium Carbonate (Aragonite/Calcite), CaCO3

Pearl (Biogenic CaCO3 (Aragonite and Calcite)) — mineral

Pearl

Biogenic CaCO3 (Aragonite and Calcite)

Pearl (Aragonite / Calcium Carbonate (CaCO3)) — mineral

Pearl

Aragonite / Calcium Carbonate (CaCO3)

Pearl (Calcium Carbonate (Aragonite or Calcite) and Conchiolin) — Mineraloid

Pearl

Calcium Carbonate (Aragonite or Calcite) and Conchiolin

Pearl (Cultured or Natural) (Aragonite (CaCO3) with Conchiolin) — Organic Mineraloid

Pearl (Cultured or Natural)

Aragonite (CaCO3) with Conchiolin

Organic Mineraloid

Pearl (Pearl (Calcium Carbonate with organic conchiolin, CaCO3)) — mineral

Pearl

Pearl (Calcium Carbonate with organic conchiolin, CaCO3)

Natural White Pearl (Calcium Carbonate (Aragonite/Calcite) with Conchiolin - CaCO3) — mineraloid

Natural White Pearl

Calcium Carbonate (Aragonite/Calcite) with Conchiolin - CaCO3

Pearl (Biogenic CaCO3 (Aragonite)) — mineral

Pearl

Biogenic CaCO3 (Aragonite)

Pearl (Calcium carbonate (CaCO3) + organic conchiolin (Biogenic Mineral)) — mineral

Pearl

Calcium carbonate (CaCO3) + organic conchiolin (Biogenic Mineral)

Pearl (likely Freshwater or Akoya Cultured) (Aragonite / Conchiolin composite (CaCO3)) — Mineralloid (Organic gemstone)

Pearl (likely Freshwater or Akoya Cultured)

Aragonite / Conchiolin composite (CaCO3)

Mineralloid (Organic gemstone)

Amber (Succinite (Fossilized Tree Resin)) — mineraloid

Amber

Succinite (Fossilized Tree Resin)

Pearl (Calcium Carbonate (CaCO3) in the form of orthorhombic Aragonite and Conchiolin) — mineral

Pearl

Calcium Carbonate (CaCO3) in the form of orthorhombic Aragonite and Conchiolin

Pearl (Aragonite and Conchiolin (CaCO3 + organic protein)) — mineraloid

Pearl

Aragonite and Conchiolin (CaCO3 + organic protein)

Pearl (with Peridot) (Calcium carbonate (CaCO3) + Conchiolin; Peridot: Magnesium iron silicate (Mg, Fe)2SiO4) — mineral

Pearl (with Peridot)

Calcium carbonate (CaCO3) + Conchiolin; Peridot: Magnesium iron silicate (Mg, Fe)2SiO4