Rock Identifier

Category

Organic Gemstone (Biogenic)

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

Learn about Organic Gemstone (Biogenic) in the encyclopedia

Jet

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) — mineral

Amber

Succinite

Tumbled amber (Fossilized plant resin; commonly succinite (organic polymerized resin)) — gemstone

Tumbled amber

Fossilized plant resin; commonly succinite (organic polymerized resin)

Polished amber (Fossilized tree resin; chiefly polymerized diterpenoid resin (succinite when Baltic-type)) — gemstone

Polished amber

Fossilized tree resin; chiefly polymerized diterpenoid resin (succinite when Baltic-type)

Amber (and Cubic Zirconia) (Fossilized Tree Resin) — mineraloid

Amber (and Cubic Zirconia)

Fossilized Tree Resin

Red coral earrings (Corallium rubrum or related precious coral (calcareous coral skeleton; primarily aragonite, CaCO₃)) — gemstone

Red coral earrings

Corallium rubrum or related precious coral (calcareous coral skeleton; primarily aragonite, CaCO₃)

Polished amber (Amber (fossilized plant resin; chiefly amorphous organic compounds)) — gemstone

Polished amber

Amber (fossilized plant resin; chiefly amorphous organic compounds)

Amber cabochon pendant (Amber (fossilized tree resin; chiefly polymerized terpenoids)) — gemstone

Amber cabochon pendant

Amber (fossilized tree resin; chiefly polymerized terpenoids)

Amber (possibly a small polished amber cabochon) (Fossilized tree resin; amber is an organic gemstone, not a mineral) — gemstone

Amber (possibly a small polished amber cabochon)

Fossilized tree resin; amber is an organic gemstone, not a mineral

Jasper (Microcrystalline quartz (SiO2)) — sedimentary

Jasper

Microcrystalline quartz (SiO2)

Amber (Succinates (Organic Fossilized Resin)) — mineraloid

Amber

Succinates (Organic Fossilized Resin)

Banded Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Banded Chert

Microcrystalline Quartz (SiO2)

Amber beads (Amber, fossilized plant resin; largely polymerized terpenoid resin (not a mineral)) — gemstone

Amber beads

Amber, fossilized plant resin; largely polymerized terpenoid resin (not a mineral)

Amber (Fossilized Tree Resin) — gemstone

Amber

Fossilized Tree Resin

Amber (Fossilized Tree Resin (C10H16O)) — gemstone

Amber

Fossilized Tree Resin (C10H16O)

Amber (Succinite (C10H16O)) — gemstone

Amber

Succinite (C10H16O)

Amber (Succinite (C10H16O)) — gemstone

Amber

Succinite (C10H16O)

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

Black Pearl (Tahitian Pearl)

Aragonite / Calcite (CaCO3) with Conchiolin

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

Bamboo Leaf Jasper

Silicified Siltstone or Jasper (SiO2)

Tahitian black pearl strand (Cultured pearl; aragonite (CaCO₃) nacre) — gemstone

Tahitian black pearl strand

Cultured pearl; aragonite (CaCO₃) nacre

Amber (Succiniferous organic material (Succinite)) — fossil

Amber

Succiniferous organic material (Succinite)

Amber (Succinate (Organic Fossilized Resin)) — mineraloid

Amber

Succinate (Organic Fossilized Resin)

Amber (Succinate (Fossilized Tree Resin)) — mineraloid

Amber

Succinate (Fossilized Tree Resin)

Pearl (Nacre (primarily aragonite, CaCO₃, in an organic conchiolin matrix)) — gemstone

Pearl

Nacre (primarily aragonite, CaCO₃, in an organic conchiolin matrix)

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

Pearl strand

Nacreous pearl, primarily aragonite (CaCO₃) with conchiolin protein

Amber (Succinite (C10H16O)) — mineraloid

Amber

Succinite (C10H16O)

Melo Melo Pearl (or Golden Chalcedony / Yellow Jasper Sphere) (Non-nacreous calcium carbonate pearl (or SiO2 - Silicon Dioxide)) — gemstone

Melo Melo Pearl (or Golden Chalcedony / Yellow Jasper Sphere)

Non-nacreous calcium carbonate pearl (or SiO2 - Silicon Dioxide)

Amber Dragonfly Brooch (Succinited (Baltic Amber)) — fossil

Amber Dragonfly Brooch

Succinited (Baltic Amber)

Dendritic Agate (Silicon Dioxide (SiO2) with Manganese/Iron Oxide inclusions) — sedimentary

Dendritic Agate

Silicon Dioxide (SiO2) with Manganese/Iron Oxide inclusions

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

Pearl

Nacre (Aragonite and Conchiolin), CaCO3

Amber (Succinite (organic hydrocarbon)) — mineraloid

Amber

Succinite (organic hydrocarbon)

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

Amber

Succinite (fossilized tree resin), C10H16O

Organic Gemstone

Amber (Succinite (amorphous organic polymer)) — mineral

Amber

Succinite (amorphous organic polymer)

Amber (Succinited (C10H16O)) — fossil

Amber

Succinited (C10H16O)

Amber (Succinite (Fossilized Tree Resin)) — mineraloid

Amber

Succinite (Fossilized Tree Resin)

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

Amber

Succinite (specifically for Baltic amber; fossilized tree resin)

Organic (Sedimentary-associated)

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

Precious Red Coral

Corallium rubrum (Calcium Carbonate, CaCO3)

Mineral (Organic Gemstone)

Amber (Succinite) — mineral

Amber

Succinite

Amber (Succinates (Fossilized Tree Resin)) — fossil

Amber

Succinates (Fossilized Tree Resin)

Amber (Succinit (C10H16O)) — mineraloid

Amber

Succinit (C10H16O)