Turquoise and Spiny Oyster (Heishi style beads)
Turquoise (CuAl6(PO4)4(OH)8·4H2O) and Spondylus (Spiny Oyster shell)
mineral and organic gemstone
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
View all →
Amber Dragonfly Brooch
Succinited (Baltic Amber)
fossil
Weathered Sedimentary Rock
Sedimentary Rock
Sedimentary
Sedimentary Rock (Limestone or Siltstone pebble)
Sedimentary rock fragment
sedimentary
Brown translucent mineral fragment, possibly iron-stained quartz or amber
Uncertain; likely quartz (SiO₂) with iron-oxide staining, though amber (fossilized resin) is possible
mineral
Sedimentary Rock with Crafts (Pet Rock)
Sedimentary rock decorated with synthetic materials
sedimentary
Soil with Mineral Detritus and Quartz Fragments
Regolith / Silicate Mineral Aggregate
sedimentary
Fossiliferous Sedimentary Rock
Sedimentary Rock with Invertebrate Fossil Imprint
fossil
Amber
Succinite (Organic Gemstone)
mineral
Glauconitic Sandstone (Greensand)
Glauconitic Sandstone (Iron-potassium phyllosilicate mineral: (K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2)
sedimentary
Amber
Organic gemstone (Succinite)
mineral
Amber
Succinates (Organic Gemstone)
mineral
Amber and Citrine Quartz
Succinite (Amber) and Silicon Dioxide (SiO2 / Citrine)
mineral
Amber
Succinicum (C10H16O)
mineral
Raw Amber / Resin Mineral
Succinite (Fossilized Tree Resin)
gemstone
Amber (Copal)
Fossilized Tree Resin
mineraloid
Amber
Succinrite (Organic Gemstone)
mineraloid
Rough Amber (likely Copal or immature Amber)
Organic gemstone / Succinite (if Baltic)
mineral
Amber
Succinicum (Organic Gemstone - Resinite)
mineraloid
Red Coral
Corallium rubrum
gemstone
Turquoise and Red Coral
CuAl6(PO4)4(OH)8·4H2O (Turquoise) and Corallium rubrum (Red Coral)
mineral
Amber (Raw)
Succinite (Fossilized Resin)
mineraloid
Dyed Agate (Tumbled)
Silicon Dioxide (Chalcedony variety, artificially dyed)
gemstone
Polished amber
Amber (fossilized plant resin; chiefly amorphous organic compounds)
gemstone
Amber cabochon pendant
Amber (fossilized tree resin; chiefly polymerized terpenoids)
gemstone
Pearl
Calcium carbonate (CaCO3) as Aragonite or Calcite
mineral
Pearl
Calcium Carbonate (CaCO3) with Conchiolin
mineral
Amber
Amber (C10H16O)
mineral
Precious Red Coral
Corallium rubrum (Calcium Carbonate, CaCO3)
mineral
Amber
Fossilized tree resin (Amorphous organic polymer)
gemstone
Amber
Succinite (organic hydrocarbon)
mineraloid
Amber
Succinite (Fossilized Resin)
mineral
Pearls (likely freshwater cultured pearls)
Pearl: nacre, primarily aragonite (CaCO₃) with conchiolin
gemstone
Amber
Resinite / Fossilized Tree Resin
mineral
Amber
Succinates (Fossilized Tree Resin)
mineral
Amber
Succinite (Fossilized Tree Resin)
mineraloid
Precious Coral (Red Coral)
Corallium rubrum (Calcium Carbonate, CaCO3)
mineral
Pearl necklace
Pearl, primarily aragonite (CaCO₃) and conchiolin
gemstone
Amber (in Matrix/Shale)
Amber (Fossilized Tree Resin)
mineral
Pearl
Organic gemstone (Calcium carbonate - CaCO3)
mineral
Amber (Rough Baltics/Beach Specimen)
Succinicum (Organic Gemstone - Fossilized Resin)
mineral
Natural Pearl
Calcium carbonate (primarily Aragonite and Conchiolin), CaCO3
mineral