Organic Gemstone (Succinite)

Amber (likely opaque/burnished amber)

Fossilized plant resin; primarily polymerized terpenoid resin (succinite-type amber)

Amber (likely rough amber)

Fossilized plant resin; predominantly polymerized terpenoid resin (succinite if Baltic-type)

Amber

Succinate (Organic Fossilized Resin)

Pearl necklace

Pearl (biogenic calcium carbonate, chiefly aragonite; CaCO₃)

Red Coral (with Hematite and Black Pearl accents)

Corallium rubrum (Calcium Carbonate, CaCO3)

White Coral

Corallium rubrum (biocarbonate calcium) / CaCO3

Pink Coral

Corallium rubrum (Calcium Carbonate, CaCO3)

Pearl

Calcium Carbonate (Aragonite/Calcite) with Conchiolin, CaCO3

Turquoise and Spiny Oyster (Heishi style beads)

Turquoise (CuAl6(PO4)4(OH)8·4H2O) and Spondylus (Spiny Oyster shell)

Amethyst, Aquamarine, and Pearl Ring

SiO2 (Amethyst), Be3Al2Si6O18 (Aquamarine), CaCO3 (Pearl)

Turquoise and Red Coral

Turquoise: CuAl6(PO4)4(OH)8·4H2O; Red Coral: Corallium rubrum (organic gemstone)

Precious Red Coral

Corallium rubrum / Corallium japonicum

Pearl

Calcium carbonate (Aragonite/Calcite) - CaCO3

Petrified Wood

Silicified Wood (SiO2)

Amber (Copal)

Succiniferous Resin

Pearl

Organic gemstone (Calcium carbonate / CaCO3 + Conchiolin)

Natural White Pearl

Calcium Carbonate (Aragonite/Calcite) with Conchiolin - CaCO3

Amber (likely rough amber)

Fossilized plant resin; chiefly polymerized terpenoid resin (succinite, when Baltic-type)

Amber

Fossilized plant resin; chiefly polymerized terpenoid hydrocarbons (succinite when Baltic-type)

Amber (rough fossilized resin)

Amber; predominantly polymerized fossil plant resin, commonly succinite (C₁₀H₁₆O)

Raw amber

Fossilized plant resin; predominantly polymerized diterpenoid resin (succinite when Baltic-type)

Pearl (incorporated into jewelry)

Aragonite and Calcite (CaCO3)

Pearls

Pearl: biomineralized aragonite (CaCO₃) and conchiolin

Polished amber-like organic gemstone

Likely amber (fossilized plant resin), possibly copal or brown chalcedony; exact identification requires testing

Natural Pearl

Calcium carbonate (primarily Aragonite and Conchiolin), CaCO3

Pearl

Calcium Carbonate (CaCO3) + Conchiolin

Amber (and Cubic Zirconia)

Fossilized Tree Resin

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)

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

Jasper

Microcrystalline quartz (SiO2)

Banded Chert

Microcrystalline Quartz (SiO2)

Amber beads

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

Amber

Fossilized Tree Resin

Amber

Fossilized Tree Resin (C10H16O)

Black Pearl (Tahitian Pearl)

Aragonite / Calcite (CaCO3) with Conchiolin

Pearl

Aragonite (CaCO3 with conchiolin)

Bamboo Leaf Jasper

Silicified Siltstone or Jasper (SiO2)

Tahitian black pearl strand

Cultured pearl; aragonite (CaCO₃) nacre

Amber-like resin specimen

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

Amber

Succinate (Fossilized Tree Resin)