White coral limestone (probable fossiliferous limestone)
Calcite (CaCO₃), commonly derived from aragonitic coral skeletons recrystallized to calcite
sedimentary
Category
Organic Gemstone (Biogenic)
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Rough Amber (likely Copal or immature Amber)
Organic gemstone / Succinite (if Baltic)
mineral
Amber
Succinicum (Organic Gemstone - Resinite)
mineraloid
Chert / Flint
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Nodular Chert)
Microcrystalline or Cryptocrystalline Silicon Dioxide (SiO2)
sedimentary
Pearl
Calcium Carbonate (Aragonite/Calcite) with Conchiolin, CaCO3
gemstone
Turquoise and Red Coral
CuAl6(PO4)4(OH)8·4H2O (Turquoise) and Corallium rubrum (Red Coral)
mineral
Amber (Raw)
Succinite (Fossilized Resin)
mineraloid
Pearl
Calcium Carbonate (CaCO3) with Conchiolin
mineral
Pearl
Calcium Carbonate (Aragonite/Calcite) with Conchiolin
gemstone
Amber (in Matrix/Shale)
Amber (Fossilized Tree Resin)
mineral
Pearl
Calcium carbonate (CaCO3) + organic conchiolin
gemstone
Amber
Resinite / Fossilized Tree Resin
mineral
Amber
Succinite (Fossilized Tree Resin)
mineraloid
Queen Conch Shell (Biogenic Calcium Carbonate)
Aliger gigas (synonym Strombus gigas); Composition: Aragonite (CaCO3)
mineral
Amber
Fossilized tree resin (Amorphous organic polymer)
gemstone
Precious Coral (Red Coral)
Corallium rubrum (Calcium Carbonate, CaCO3)
mineral
Red Coral (Precious Coral)
Corallium rubrum (Calcium Carbonate, CaCO3)
sedimentary
Amber
Amber (C10H16O)
mineral
Amber
Succinite (Fossilized Resin)
mineral
Amber
Succinite (Formula: C10H16O)
Mineraloid
Turquoise and Red Coral (with Grizzly Bear Claw)
Turquoise (CuAl6(PO4)4(OH)8·4H2O) and Precious Coral (Corallium rubrum)
mineral
Amber
Succinates (Fossilized Tree Resin)
mineral
Black Pearl (Tahitian or Irradiated Type)
Organic gemstone (Calcium Carbonate with Conchiolin Binding)
mineraloid
Amber (Copal)
Fossilized Tree Resin (C10H16O)
mineral
Amber
Succinite (a fossilized organic resin)
mineral
Amber
Succinate (Fossilized Tree Resin)
gemstone
Amber / Fossilized Resin
Succinite / Fossilized Tree Resin
mineral
Precious Red Coral
Corallium rubrum (Calcium Carbonate, CaCO3)
gemstone
Amber (Rough Baltics/Beach Specimen)
Succinicum (Organic Gemstone - Fossilized Resin)
mineral
Amber
Succinite (organic gemstone, approx. C10H16O)
fossil
Pearl
Organic gemstone (Calcium carbonate - CaCO3)
mineral
Amber
Succinite (C10H16O)
mineral
White Coral
Corallium rubrum (biocarbonate calcium) / CaCO3
mineral
Amber
Succinite (Approximate formula: C10H16O)
mineral
Pink Coral
Corallium rubrum (Calcium Carbonate, CaCO3)
mineral
Pearl
Calcium Carbonate (Aragonite/Calcite) with Conchiolin, CaCO3
gemstone
Amethyst, Aquamarine, and Pearl Ring
SiO2 (Amethyst), Be3Al2Si6O18 (Aquamarine), CaCO3 (Pearl)
gemstone
Precious Red Coral
Corallium rubrum / Corallium japonicum
mineral (organic gemstone)
Amber
Succinite (Fossilized Tree Resin)
gemstone
Amber
Succinite (fossilized resin)
mineral
Turquoise and Red Coral
Turquoise: CuAl6(PO4)4(OH)8·4H2O; Red Coral: Corallium rubrum (organic gemstone)
mineral