Marble (Carrara Marble style)
Recrystallized Calcite (CaCO3)
Category
Browse marble specimens identified by the Rock Identifier community.
Marble (Carrara Marble style)
Recrystallized Calcite (CaCO3)
Lapis Lazuli (Lazurite crystals on Marble)
Lazurite / (Na,Ca)8[(S,Cl,SO4,OH)2|(AlSiO4)6]
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
Marble (White)
Metamorphosed Limestone (mainly CaCO3)
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
Fossilized Crinoid Stem in Matrix
Crinoid (Class: Crinoidea)
Calcite
Calcium Carbonate (CaCO3)
Siderite Concretion
Ironstone (Siderite) Concretion, FeCO3
Quartzite
Metamorphic rock predominantly composed of Quartz (SiO2)
Lapis Lazuli
Na8[Al6Si6O24]n(S,Cl,SO4,OH)2
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
White Marble
Recrystallized Calcite (CaCO3)
Travertine (or Calcareous Tufa)
Calcium Carbonate (CaCO3)
Banded Calcite / Fluorite (or Onyx/Agate depending on hardness)
CaCO3 or CaF2 (depending on exact ID)
White Marble
Recrystallized Calcite (CaCO3)
Carrara Marble
Metamorphosed Limestone
Lapis Lazuli
Lapis Lazuli (Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2
Calcite
Calcium Carbonate (CaCO3)
Quartzite
Quartzite (predominantly SiO2)
Diorite (Spotted)
Diorite (Intrusive igneous rock)
Calcite
Calcium Carbonate (CaCO3)
Calcite
Calcite (Calcium Carbonate, CaCO3)
Engineer Quartz/Quartzite
SiO2 (Silicon Dioxide with binders)
Planet Earth
Gaia (Silicate Terrestrial Planet)
Banded Calcite (Tumbled)
Calcium Carbonate (CaCO3)
Yellow Calcite
Calcium Carbonate (CaCO3)
Terrazzo (Man-made Composite)
Cementitious or Resin-bound Lithic Composite
Onyx Marble (Banded Calcite)
Calcite (Calcium Carbonate, CaCO3)
Zebra Rock / Zebra Marble
Banded Limestone-Marble Transition
Serpentine
Serpentine-group (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Seashell Fragment (Aragonite/Calcite)
Calcium Carbonate (CaCO3) - Shell fragment
White Calcite (Dogtooth Spar or Crystalline Calcite)
Calcite (Calcium Carbonate, CaCO3)
Jasper Marble
Silicon Dioxide (SiO2) with Impurities
Terrazzo (Synthetic Composite Rock)
Cementitious or Epoxy Resin-bound Aggregates
Yellow Calcite
Calcium Carbonate (CaCO3)
Calcite
Calcium Carbonate (CaCO3)
Calcite
Calcium Carbonate (CaCO3)
White Marble
Recrystallized Calcite (CaCO3)
Marble (Sculculpted)
Metamorphosed Limestone (primarily CaCO3)
Quartzite
Quartzite (SiO2)
Quartzite (with Iron Staining)
Metamorphosed Quartz Sandstone (SiO2)
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)