Calcite
Calcium Carbonate (CaCO3)
Category
Browse sedimentary (if limestone) or metamorphic (if marble) specimens identified by the Rock Identifier community.
Calcite
Calcium Carbonate (CaCO3)
Calcite-rich limestone
Limestone, predominantly calcite (CaCO₃), possibly fossiliferous or weathered dolomitic limestone
Quartzite (Stacked Stone Veneer)
Quartzite
Marble (Sculculpted)
Metamorphosed Limestone (primarily CaCO3)
Calcite
Calcium Carbonate (CaCO3)
Green Calcite
Calcium Carbonate (CaCO3)
Calcite
Calcium Carbonate (CaCO3)
Quartzite
Quartzite (SiO2)
Polished marble (likely calcitic marble)
Calcite-rich marble; primarily calcium carbonate, CaCO₃
Orange Calcite
Calcium Carbonate (CaCO3)
Calcite on Matrix
Calcium Carbonate (CaCO3)
Marble Tile
Metamorphic Limestone (Calcite / Dolomite, CaCO3)
Yellow Calcite
Calcium Carbonate (CaCO3)
Calcite
Calcium Carbonate (CaCO3)
Connemara Marble
Ophiocalcite (Serpentinitic Marble)
White Marble
Recrystallized Calcite (CaCO3)
Lapis Lazuli
Lazurite-dominant metamorphic rock, Na8[Al6Si6O24]n(S,Cl,SO4,OH)2
Light-colored limestone
Calcite-rich limestone (CaCO₃)
Clear Calcite
Calcite (Calcium Carbonate, CaCO3)
Calcite
Calcium Carbonate (CaCO3)
Travertine (or Calcareous Tufa)
Calcium Carbonate (CaCO3)
Lapis Lazuli
Lapis Lazuli (Complex rock mainly composed of Lazurite, Calcite, and Pyrite)
Lapis Lazuli
Lapis Lazuli (Rock composed primarily of Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
Lapis Lazuli
Lapis Lazuli (Complex silicate mixture containing Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
Lapis Lazuli
Lapis Lazuli (Complex silicate mineral mix including Lazurite, Pyrite, and Calcite)
Lapis Lazuli (polished cabochon/sphere)
Na8[Al6Si6O24]Sn with accessory minerals (Pyrite, Calcite)
Orange Calcite
Calcium Carbonate (CaCO3)
Lapis Lazuli Globe
Complex mixture of Lazurite ((Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2), Calcite, and Pyrite
White Marble
Recrystallized Calcite (CaCO3)
Orange Calcite
Calcium Carbonate (CaCO3)
Lapis Lazuli
Na6Ca2(Al6Si6O24)(S,SO4,Cl)1-2 (primarily containing Lazurite with inclusions of Calcite and Pyrite)
Grey Marble
Recrystallized Calcite-rich Limestone
Zebra Marble
Metamorphosed Limestone (Recrystallized Calcite)
Calcite
Calcite (Calcium Carbonate, CaCO3)
Yellow Calcite
Calcium Carbonate (CaCO3)
White Marble
Recrystallized Calcite (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Optical Calcite (Iceland Spar)
Calcite (CaCO3)
Lapis Lazuli
Lapis lazuli (composed primarily of Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Calcite, and Pyrite)
Lapis Lazuli
Lazurite-dominated contact metamorphic rock
Lapis Lazuli
Lapis Lazuli (Rock containing Lazurite (Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2, Calcite, and Pyrite)
Blue Apatite
Ca5(PO4)3(F,Cl,OH)