Serpentine
Serpentinite (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4
Category
Browse marble specimens identified by the Rock Identifier community.
Serpentine
Serpentinite (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4
Larimar
Pectolite (NaCa2Si3O8(OH))
Larimar
Pectolite (NaCa2Si3O8(OH))
Lapis Lazuli
Lazurite-rich metamorphic rock
Ruby (Corundum)
Aluminum oxide (Al2O3) with Chromium traces
Ruby
Corundum (Al2O3 with Chromium traces)
Ruby (Corundum)
Aluminium oxide (Al2O3) with Chromium traces
Lapis Lazuli
Lapis Lazuli (Mineral composition: Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Calcite, and Pyrite)
Sapphire (Rough Corundum)
Corundum (Aluminum Oxide, Al2O3)
Ruby (set in a gold pendant)
Ruby (Variety of Corundum, Al2O3)
Lapis Lazuli
Lazurite-rich metamorphic rock (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2
Quartzite
Quartzite (composed primarily of SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Calcite with iron staining
Calcium Carbonate (CaCO3)
Orange Calcite
Calcium Carbonate (CaCO3)
Ruby in Quartz with Tourmaline
Corundum (Al2O3) in Silicon Dioxide (SiO2) with Schorl
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (primarily SiO2)
Howlite
Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)
Quartzite
Quartzite (primarily SiO2)
Picasso Jasper (also known as Picasso Marble)
Metamorphosed Limestone (Calcium Carbonate with impurities)
Quartzite with inclusions
Quartzite (SiO2)
Quartzite
Quartzite (primarily SiO2)
Lapis Lazuli
Lapis Lazuli (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2
Orange Calcite
Calcium Carbonate (CaCO3)
Orange Calcite
Calcium Carbonate (CaCO3)
Orange Calcite
Calcium Carbonate (CaCO3)
Green Calcite
Calcium Carbonate (CaCO3)
Quartzite
Quartzite (SiO2 principal component)
Quartzite
Quartzite (SiO2)
Yellow Calcite
Calcium Carbonate (CaCO3)
Quartzite
Quartzite (SiO2)
Orange Quartzite (River Pebble)
Quartzite (primarily SiO2)
Calcite
Calcium Carbonate (CaCO3)
Quartzite (with Iron Staining)
Quartzite (predominantly SiO2)
Quartz / Quartzite
Silicon Dioxide (SiO2)
Quartzite
Quartzite (SiO2)
Quartzite Pebble (with iron staining)
Quartzite (SiO2 with ferric oxide impurities)
Green Calcite
Calcium Carbonate (CaCO3)
Orange Calcite
Calcium Carbonate (CaCO3)
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
Yellow Quartzite
Quartzite (primarily SiO2)