Blue Calcite
Calcite (CaCO3)
Category
Browse marble specimens identified by the Rock Identifier community.
Blue Calcite
Calcite (CaCO3)
Blue Apatite
Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)
Blue Calcite
Calcium Carbonate (CaCO3)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Blue Sapphire
Corundum (Al2O3)
Green Calcite
Calcium Carbonate (CaCO3)
Yellow Calcite
Calcium Carbonate (CaCO3)
Orange Quartzite (River Pebble)
Quartzite (primarily SiO2)
Quartzite (with Iron Staining)
Quartzite (predominantly SiO2)
Calcite
Calcium Carbonate (CaCO3)
Quartz / Quartzite
Silicon Dioxide (SiO2)
Quartzite Pebble (with iron staining)
Quartzite (SiO2 with ferric oxide impurities)
Quartzite
Quartzite (composed primarily of Quartz, SiO2)
Red Quartzite
Metamorphosed Quartz Sandstone (SiO2)
Lapis Lazuli
Lapis Lazuli (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2
Serpentine
Serpentinite (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4
Larimar
Pectolite (NaCa2Si3O8(OH))
Red Brecciated Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Orange Calcite
Calcium Carbonate (CaCO3)
Green Calcite
Calcium Carbonate (CaCO3)
Ruby
Corundum (Al2O3 with Chromium traces)
Ruby (Corundum)
Aluminium oxide (Al2O3) with Chromium traces
Ruby (set in a gold pendant)
Ruby (Variety of Corundum, Al2O3)
Quartzite
Quartzite (SiO2)
Yellow Calcite
Calcium Carbonate (CaCO3)
Quartzite
Quartzite (primarily SiO2)
Green Quartzite
Quartzite (SiO2 with chromium-rich muscovite/fuchsite inclusions)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (primarily SiO2)
Pink Quartzite
Quartzite (primarily SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Calcite with iron staining
Calcium Carbonate (CaCO3)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (primarily SiO2)
Ruby
Corundum (Al2O3:Cr)
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
Amethyst and Limestone
Amethyst (SiO2 - Silicon Dioxide) and Limestone (CaCO3 - Calcium Carbonate)
Red Quartzite
Quartzite (primarily SiO2)
Ruby (Corundum)
Al2O3 (Aluminium oxide with Chromium impurities)
Lapis Lazuli
Complex rock primarily of Lazurite ((Na,Ca)8(AlSiO4)6(SO4,S,Cl,OH)2), with Pyrite and Calcite
Lapis Lazuli
Lapis lazuli (Mainly Lazurite: Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
Lapis Lazuli
Lapis Lazuli (Primary mineral: Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)