Lapis Lazuli
Na6Ca2(Al6Si6O24)(S,SO4,Cl)1-2 (primarily containing Lazurite with inclusions of Calcite and Pyrite)
Category
Browse marble specimens identified by the Rock Identifier community.
Lapis Lazuli
Na6Ca2(Al6Si6O24)(S,SO4,Cl)1-2 (primarily containing Lazurite with inclusions of Calcite and Pyrite)
Quartzite
Quartzite (composed primarily of SiO2)
Light-colored limestone (likely chalky or calcitic limestone)
Calcite-rich limestone; primarily calcium carbonate, CaCO₃
Limestone
Calcium Carbonate (CaCO3)
Carved Stone Turtle
Mixed stone carving
Marble Tile
Metamorphic Limestone (Calcite / Dolomite, CaCO3)
Ruby
Corundum (Al2O3 with chromium trace elements)
Blue Apatite
Ca5(PO4)3(F,Cl,OH)
Banded Chalcedony (Agate)
Cryptocrystalline Quartz (SiO2)
White Marble
Recrystallized Calcite (CaCO3)
White Marble
Recrystallized Calcite (CaCO3)
Marble (White)
Metamorphosed Limestone (mainly CaCO3)
Yellow Calcite
Calcium Carbonate, CaCO3
Calcite
Calcium Carbonate (CaCO3)
Fossilized Crinoid Stem in Matrix
Crinoid (Class: Crinoidea)
Lapis Lazuli (Lazurite crystals on Marble)
Lazurite / (Na,Ca)8[(S,Cl,SO4,OH)2|(AlSiO4)6]
Connemara Marble
Calcitic Marble / Serpentinite composite
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
Travertine (or Calcareous Tufa)
Calcium Carbonate (CaCO3)
Banded Calcite / Fluorite (or Onyx/Agate depending on hardness)
CaCO3 or CaF2 (depending on exact ID)
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
Lapis Lazuli (or Sodalite)
Lapis Lazuli (principally Lazurite: Na6Ca2(Al6Si6O24)S2)
Lapis Lazuli
Lapis Lazuli (Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2
Jasper Marble
Silicon Dioxide (SiO2) with Impurities
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Siderite Concretion
Ironstone (Siderite) Concretion, FeCO3
Calcite
Calcium Carbonate (CaCO3)
Lapis Lazuli
Na8[Al6Si6O24]n(S,Cl,SO4,OH)2
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Carrara Marble
Metamorphosed Limestone
Marble (Sculculpted)
Metamorphosed Limestone (primarily CaCO3)
Moqui Marble
Hematite-Goethite Concretion
Moqui Marble
Hematite-Goethite Concretion (Fe2O3 / FeO(OH))
Moqui Marble
Hematite-Goethite Concretion
White Marble
Metamorphic carbonate rock (primarily CaCO3)
Carrara Marble
Recrystallized Calcite (CaCO3)
Zebra Rock / Zebra Marble
Banded Limestone-Marble Transition
Green Aventurine
SiO2 (Quartz with Fuchsite inclusions)
Quartzite
Metamorphic rock predominantly composed of Quartz (SiO2)
Terrazzo flooring containing marble aggregate
Marble (recrystallized calcite, CaCO₃) aggregate in cementitious terrazzo
Brown Marble
Metamorphic Limestone (CaCO3)
Grey Marble
Recrystallized Calcite-rich Limestone