Baltic Amber (Butterscotch or Egg Yolk Variety)
Succinite (C10H16O)
Organic Gemstone (Mineraloid)
Category
Mineraloid (Organic Gemstone)
Browse mineraloid (organic gemstone) specimens identified by the Rock Identifier community.
Learn about Mineraloid (Organic Gemstone) in the encyclopedia
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Amber
Amber (Fossilized Tree Resin)
Mineral
Opal
Hydrated Amorphous Silica (SiO2·nH2O)
Mineral
Precious Red Coral
Corallium rubrum (Calcium Carbonate, CaCO3)
mineral
Mahogany Obsidian
Volcanic Glass (predominantly SiO2 with Fe2O3 inclusions)
igneous
Polished black stone, likely shungite
Shungite; carbon-rich mineraloid composed mainly of amorphous carbon, with silica and other minerals
mineral
Common Opal with Host Rock
Opal (Hydrated silica, SiO2·nH2O)
mineral
Cantera Opal (Mexican Fire Opal in Rhyolite Matrix)
Hydrated amorphous silica in rhyolite (SiO2·nH2O in volcanic matrix)
gemstone
Obsidian
Volcanic glass (SiO2 - Silicon Dioxide with impurities)
igneous
Sea Glass (often mistaken for Gemstones)
Amorphous Silica (SiO2) with trace additives
mineraloid
Obsidian
Obsidian (Volcanic Glass, SiO2)
igneous
Pearl
Calcium carbonate (CaCO3) + organic conchiolin
gemstone
Amber (in Matrix/Shale)
Amber (Fossilized Tree Resin)
mineral
Amber
Succinite (organic gemstone, approx. C10H16O)
fossil
Pearl
Organic gemstone (Calcium carbonate - CaCO3)
mineral
Amber (Rough Baltics/Beach Specimen)
Succinicum (Organic Gemstone - Fossilized Resin)
mineral
Weathered Sedimentary Rock
Sedimentary Rock
Sedimentary
Freshwater Pearl
Aragonite / Biogenic Calcium Carbonate (CaCO3)
mineral
Amber
Succinite (Resinite)
Organic Crystal (Mineraloid)
Amber
Resinite / Fossilized Tree Resin
mineral
Imitation or Cultured Pearl Earrings
Calcium carbonate (CaCO3) or synthetic polymer/glass
gemstone
Amber
Fossilized tree resin (Amorphous organic polymer)
gemstone
Amber
Amber (C10H16O)
mineral
Amber
Succinite (a fossilized organic resin)
mineral
Pearl (Pendant)
Calcium Carbonate (Aragonite/Calcite) - CaCO3
gemstone
Red Coral (Precious Coral)
Corallium rubrum (Calcium Carbonate, CaCO3)
sedimentary
Turquoise and Red Coral (with Grizzly Bear Claw)
Turquoise (CuAl6(PO4)4(OH)8·4H2O) and Precious Coral (Corallium rubrum)
mineral
Amber
Succinite (Fossilized Resin)
mineral
Polished mahogany obsidian
Volcanic glass; primarily silica-rich rhyolitic composition (approximately 70–75% SiO₂)
igneous
Amber
Succinates (Fossilized Tree Resin)
mineral
Pearl
Calcium carbonate (CaCO3) in the form of aragonite
gemstone
Pearl
Calcium carbonate (principally Aragonite, CaCO3) with Conchiolin
gemstone
Amber (Copal)
Fossilized Tree Resin (C10H16O)
mineral
Precious Red Coral
Corallium rubrum (Calcium Carbonate, CaCO3)
gemstone
Amber
Succinate (Fossilized Tree Resin)
gemstone
Amber / Fossilized Resin
Succinite / Fossilized Tree Resin
mineral
Polished amber
Fossilized tree resin (primarily organic polymerized diterpenes)
gemstone
Amber
Organic gemstone (Succinite is common if from the Baltic)
mineral
Pearl necklace
Pearl (biogenic calcium carbonate, chiefly aragonite; CaCO₃)
gemstone
Amber
Succinite (C10H16O)
mineral
Red Coral (with Hematite and Black Pearl accents)
Corallium rubrum (Calcium Carbonate, CaCO3)
mineral
White Coral
Corallium rubrum (biocarbonate calcium) / CaCO3
mineral