Rock Identifier

Category

Mineralloid (Organic Gemstone)

Browse mineralloid (organic gemstone) specimens identified by the Rock Identifier community.

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

Pearl (incorporated into jewelry)

Aragonite and Calcite (CaCO3)

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

Pearl

Calcium Carbonate (CaCO3) + Conchiolin

Pearl (Aragonite (CaCO3 with conchiolin)) — mineral

Pearl

Aragonite (CaCO3 with conchiolin)

Amber (Succinite) — mineral

Amber

Succinite

Amber (Succinite (fossilized tree resin), C10H16O) — Organic Gemstone

Amber

Succinite (fossilized tree resin), C10H16O

Organic Gemstone

Pearl (Biogenic Mineral) (Calcium Carbonate (primarily Aragonite) with Conchiolin; CaCO3) — mineral

Pearl (Biogenic Mineral)

Calcium Carbonate (primarily Aragonite) with Conchiolin; CaCO3

Amber (Succinite (C10H16O)) — Mineraloid (Organic)

Amber

Succinite (C10H16O)

Mineraloid (Organic)

Amber (Succinite (Fossilized Tree Resin), C10H16O) — Organic Mineraloid

Amber

Succinite (Fossilized Tree Resin), C10H16O

Organic Mineraloid

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

Pearl

Organic gemstone (Calcium carbonate / CaCO3 + Conchiolin)

Bamboo Leaf Jasper (Silicified Siltstone or Jasper (SiO2)) — sedimentary

Bamboo Leaf Jasper

Silicified Siltstone or Jasper (SiO2)

Amber (Succinite) — mineral

Amber

Succinite

Precious Red Coral (Corallium rubrum (Calcium Carbonate, CaCO3)) — Mineral (Organic Gemstone)

Precious Red Coral

Corallium rubrum (Calcium Carbonate, CaCO3)

Mineral (Organic Gemstone)

Amber (Succinite (specifically for Baltic amber; fossilized tree resin)) — Organic (Sedimentary-associated)

Amber

Succinite (specifically for Baltic amber; fossilized tree resin)

Organic (Sedimentary-associated)

Amber (Copal) (Succinite (fossilized tree resin)) — mineral

Amber (Copal)

Succinite (fossilized tree resin)

Petrified Wood (Silicified wood (primarily Silicon Dioxide, SiO2)) — sedimentary

Petrified Wood

Silicified wood (primarily Silicon Dioxide, SiO2)

Ferruginous Quartz (Silicon Dioxide (SiO2) with Hematite/Limonite impurities) — mineral

Ferruginous Quartz

Silicon Dioxide (SiO2) with Hematite/Limonite impurities

Precious Coral (Corallium rubrum (Calcium carbonate with trace carotene)) — Organic gemstone / Sedimentary mineraloid

Precious Coral

Corallium rubrum (Calcium carbonate with trace carotene)

Organic gemstone / Sedimentary mineraloid

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

Pearl

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

Amber (Succinate (Fossilized Tree Resin)) — mineraloid

Amber

Succinate (Fossilized Tree Resin)

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

Red Jasper (Silicon Dioxide (SiO2)) — sedimentary

Red Jasper

Silicon Dioxide (SiO2)

Amber (Succinite (C10H16O)) — mineral

Amber

Succinite (C10H16O)

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

Pearl

Calcium Carbonate (primarily Aragonite and Calcite), CaCO3

Amber (Succinite) — Mineraloid

Amber

Succinite

Amber (Succinite (fossilized resin)) — Organic Mineraloid

Amber

Succinite (fossilized resin)

Organic Mineraloid

Amber (Succinite (organic mineraloid); Chemical formula: C10H16O) — mineral

Amber

Succinite (organic mineraloid); Chemical formula: C10H16O

Black Pearl (Tahitian Type) (Aragonite / Pinctada margaritifera (CaCO3 + Conchiolin)) — Organic Gemstone

Black Pearl (Tahitian Type)

Aragonite / Pinctada margaritifera (CaCO3 + Conchiolin)

Organic Gemstone

Amber (Succinicum (Formula: C10H16O)) — Mineraloid

Amber

Succinicum (Formula: C10H16O)

Amber (Succinite (fossilized resin, C10H16O)) — mineral

Amber

Succinite (fossilized resin, C10H16O)

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

Pearl

Aragonite / Calcium Carbonate (CaCO3)

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

Black Freshwater Pearls

Biogenic Calcium Carbonate (Aragonite/Calcite), CaCO3

Amber (Succinite (organic hydrocarbon)) — mineraloid

Amber

Succinite (organic hydrocarbon)

Jasper (Jasper (Silicon Dioxide, SiO2)) — sedimentary

Jasper

Jasper (Silicon Dioxide, SiO2)

Amber (Succinite (Formula: C10H16O)) — mineral

Amber

Succinite (Formula: C10H16O)

Shungite (Non-crystalline carbonoid (Shungite)) — metamorphic

Shungite

Non-crystalline carbonoid (Shungite)

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

Pearl

Calcium Carbonate (CaCO3) - Aragonite/Calcite organic gemstone

Red Coral (Corallium rubrum (Calcium Carbonate, CaCO3 with Carotenoid pigments)) — Mineraloid (Organic Gemstone)

Red Coral

Corallium rubrum (Calcium Carbonate, CaCO3 with Carotenoid pigments)

Mineraloid (Organic Gemstone)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Amber (Succinite (with formula approximately C10H16O)) — Organic mineraloid

Amber

Succinite (with formula approximately C10H16O)

Organic mineraloid

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Chert (often called Flint) (Chert (Silicon Dioxide, SiO2)) — sedimentary

Chert (often called Flint)

Chert (Silicon Dioxide, SiO2)

Banded Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Banded Chert

Microcrystalline Quartz (SiO2)