Rock Identifier

Category

Mineral And Organic Gemstone

Browse mineral and organic gemstone specimens identified by the Rock Identifier community.

Learn about Mineral And Organic Gemstone in the encyclopedia

Black Shale

Jet

Malachite

Bumblebee Jasper

Bumblebee Jasper

Andesine

Aragonite

Dolomite

Albite

Pyrrhotite

Andesite

Andalusite

Andamooka Opal

Amber (Succinite (C10H16O)) — gemstone

Amber

Succinite (C10H16O)

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

Pearl

Organic Mineral (CaCO3 with conchiolin)

Pearls (Pearl: biomineralized aragonite (CaCO₃) and conchiolin) — gemstone

Pearls

Pearl: biomineralized aragonite (CaCO₃) and conchiolin

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

Pearl

Calcium Carbonate (Aragonite) with Conchiolin; formula: CaCO3

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

Pearl (incorporated into jewelry)

Aragonite and Calcite (CaCO3)

Fossil Coral / Crinoid Stem section (Anthozoa / Crinoidea fossil) — fossil

Fossil Coral / Crinoid Stem section

Anthozoa / Crinoidea fossil

Blue Apatite (Calcium Phosphate (Ca5(PO4)3(F,Cl,OH))) — mineral

Blue Apatite

Calcium Phosphate (Ca5(PO4)3(F,Cl,OH))

Amber (possibly rough amber) (Fossilized tree resin; chemically a complex organic mixture, commonly classified as succinite when Baltic in origin) — gemstone

Amber (possibly rough amber)

Fossilized tree resin; chemically a complex organic mixture, commonly classified as succinite when Baltic in origin

Amber (Succiniferous fossil resin (C10H16O)) — gemstone

Amber

Succiniferous fossil resin (C10H16O)

Amber (Fossilized Tree Resin) — gemstone

Amber

Fossilized Tree Resin

Pearl strand (Nacreous pearl, primarily aragonite (CaCO₃) with conchiolin protein) — gemstone

Pearl strand

Nacreous pearl, primarily aragonite (CaCO₃) with conchiolin protein

Amber (likely a small rough amber piece) (Fossilized plant resin; amber is an organic mineraloid, not a crystalline mineral) — gemstone

Amber (likely a small rough amber piece)

Fossilized plant resin; amber is an organic mineraloid, not a crystalline mineral

Kidney Stone (Nephrolithiasis (Calcium Oxalate, Hydroxyapatite, or Uric Acid)) — mineral

Kidney Stone

Nephrolithiasis (Calcium Oxalate, Hydroxyapatite, or Uric Acid)

Amber (Succinite (Fossilized Resin)) — gemstone

Amber

Succinite (Fossilized Resin)

Pearl (Aragonite (CaCO3 with conchiolin)) — mineral

Pearl

Aragonite (CaCO3 with conchiolin)

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

Pearl

Calcium Carbonate (Aragonite/Calcite) with Conchiolin, CaCO3

Amber (Succinite) — mineral

Amber

Succinite

Pearl (Nacre (Aragonite and Conchiolin), CaCO3) — mineral

Pearl

Nacre (Aragonite and Conchiolin), CaCO3

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Pearl (in Marcasite Jewelry) (Biogenic Calcium Carbonate (primarily Aragonite, CaCO3)) — gemstone

Pearl (in Marcasite Jewelry)

Biogenic Calcium Carbonate (primarily Aragonite, CaCO3)

Polished amber (likely copal or amber) (Fossilized tree resin; amber is predominantly polymerized diterpenoid resin, while copal is younger, incompletely polymerized resin) — gemstone

Polished amber (likely copal or amber)

Fossilized tree resin; amber is predominantly polymerized diterpenoid resin, while copal is younger, incompletely polymerized resin

Amber (Fossilized Tree Resin) — gemstone

Amber

Fossilized Tree Resin

Amber (Fossilized tree resin) — gemstone

Amber

Fossilized tree resin

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

Black Pearl (Tahitian Pearl)

Aragonite / Calcite (CaCO3) with Conchiolin

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

Amber

Succinite (fossilized tree resin), C10H16O

Organic Gemstone

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

Natural White Pearl

Calcium Carbonate (Aragonite/Calcite) with Conchiolin - CaCO3

Polished amber-like organic gemstone (Amber (fossilized tree resin), commonly succinite; exact identification is uncertain from the image) — gemstone

Polished amber-like organic gemstone

Amber (fossilized tree resin), commonly succinite; exact identification is uncertain from the image

Amber (Succinite (fossilized resin)) — mineral

Amber

Succinite (fossilized resin)

Tahitian Pearl (Black / Pistachio Pearl) (Biogenic Aragonite / Calcite (CaCO3 with conchiolin)) — gemstone

Tahitian Pearl (Black / Pistachio Pearl)

Biogenic Aragonite / Calcite (CaCO3 with conchiolin)

Pearl (Calcium Carbonate (Aragonite/Calcite) with Conchiolin) — gemstone

Pearl

Calcium Carbonate (Aragonite/Calcite) with Conchiolin

Amber (Fossilized Tree Resin (C10H16O)) — gemstone

Amber

Fossilized Tree Resin (C10H16O)

Amber (Succinite / Fossilized Tree Resin) — fossil

Amber

Succinite / Fossilized Tree Resin

Amber (Fossilized tree resin; chiefly organic terpenoid polymers (succinite)) — gemstone

Amber

Fossilized tree resin; chiefly organic terpenoid polymers (succinite)

Amber (Succinite (Fossilized Tree Resin)) — gemstone

Amber

Succinite (Fossilized Tree Resin)

Tumbled amber (Amber (fossilized plant resin; commonly succinite, C10H16O)) — gemstone

Tumbled amber

Amber (fossilized plant resin; commonly succinite, C10H16O)

Tumbled amber (Amber (fossilized plant resin; commonly succinite, C10H16O)) — gemstone

Tumbled amber

Amber (fossilized plant resin; commonly succinite, C10H16O)

Amber (Succinicum (Organic polymer, largely C10H16O)) — Organic Mineral

Amber

Succinicum (Organic polymer, largely C10H16O)

Organic Mineral

Precious Red Coral (Corallium rubrum / Corallium japonicum) — mineral (organic gemstone)

Precious Red Coral

Corallium rubrum / Corallium japonicum

mineral (organic gemstone)

Amber (Succinite) — mineral

Amber

Succinite

Amber (Fossilized Tree Resin (Organic Polymer)) — gemstone

Amber

Fossilized Tree Resin (Organic Polymer)

Amber (Succinite (C10H16O)) — mineral

Amber

Succinite (C10H16O)

Amber (Succinite (Fossilized Tree Resin)) — gemstone

Amber

Succinite (Fossilized Tree Resin)