Pearl
Calcium carbonate (CaCO3) in the form of Aragonite or Calcite
mineral
Category
Mineral And Organic Gemstone
Browse mineral and organic gemstone specimens identified by the Rock Identifier community.
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Amber
Succinite (C10H16O)
mineraloid
Amber
Succinite (approximate formula C10H16O)
mineral
Shale or Argillite
Shale (sedimentary) / Argillite (metamorphic)
Sedimentary or Metamorphic (low-grade)
Precious Coral
Corallium rubrum (Calcium Carbonate, CaCO3)
mineral
Amber
Succinite (approximate formula C10H16O)
mineral
Amber
Succinite (Formula: C10H16O)
mineral
Moss Agate
Silicon Dioxide (SiO2) with inclusions of Manganese or Iron oxides
mineral
Amber
Succinite (C10H16O)
mineral
Amber
Succinite (specifically for Baltic amber); Chemical formula approximately C10H16O
mineral
Amber
Succinates (fossilized tree resin), approximately C10H16O
organic gemstone
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Fancy Jasper
Jasper (Cryptocrystalline Quartz, SiO2)
sedimentary
Petrified Wood
Silicified Wood (SiO2)
mineral
Banded Siltstone Pebble
Siltstone (primarily SiO2, Al2O3, Fe2O3)
sedimentary
Precious Red Coral
Corallium rubrum (Calcium Carbonate, CaCO3)
gemstone
Blue Apatite
Apatite - Ca5(PO4)3(F,Cl,OH)
mineral
Amber
Succinite (Formula: C10H16O)
Mineraloid
Red Coral (Precious Coral)
Corallium rubrum (Calcium Carbonate, CaCO3)
sedimentary
Amber
Succinite (fossilized resin, C10H16O)
mineral
Pink Opal
Hydrated silica (SiO2 "n H2O)
mineral
Amber
Succinite (approximate formula C10H16O)
mineral
Amber
Succinite (amorphous organic polymer)
mineral
Petrified Wood
Silicified Wood (primarily SiO2)
mineral
Amber
Succinite (Resinous fossilized tree sap)
Mineraloid
Amber
Succinicum (Organic polymer, largely C10H16O)
Organic Mineral
Turquoise, Pearl, and Coral Necklace
CuAl6(PO4)4(OH)8·4H2O (Turquoise) / CaCO3 (Pearl and Coral)
mineral
Kidney Stone
Calcium Oxalate (CaC2O4), Uric Acid, or Struvite
mineral
Moss Agate and Hematite
Silica (SiO2) with fibrous inclusions of Manganese or Iron; Hematite (Fe2O3)
mineral
Amber (Tumbled/Polished)
Succinite (Fossilized Tree Resin)
mineraloid
Chert (Jasper)
Silicon Dioxide (SiO2)
sedimentary
Amber
Succiniferous fossil resin (C10H16O)
mineral
Precious Red Coral
Corallium rubrum (Calcium Carbonate, CaCO3)
Mineral (Organic Gemstone)
Amber
Succinate (Fossilized Tree Resin)
mineraloid
Pearl
Calcium Carbonate (CaCO3) - Aragonite/Calcite organic gemstone
mineral
Amber
Succinite (fossilized organic resin)
mineral
Amber
Succinit (C10H16O)
mineraloid
Picture Jasper
SiO2
mineral
Chalcedony (Common Opal variant)
Silicon dioxide (SiO2) with varying levels of hydration
mineral
Pearl and Garnet Glass
Calcium Carbonate (CaCO3) for pearl; Silicon Dioxide (SiO2) for glass
mineral and glass
Amber (Dark/Black Variety)
Succinite (Resinite), C10H16O
mineral
Pearl (Biogenic Mineral)
Calcium Carbonate (primarily Aragonite) with Conchiolin; CaCO3
mineral