Serpentinite
Serpentinite (composed primarily of Serpentine group minerals usually (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)
Category
Browse man made metamorphic style composite specimens identified by the Rock Identifier community.
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals usually (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)
Eclogite garnet in matrix
Eclogite (Garnet-Omphacite rock)
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Serpentine
Serpentinite (group of minerals: (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)
Quartzite
Quartzite (primarily SiO2)
Quartz / Rock Crystal
Silicon Dioxide (SiO2)
White Calcite
Calcium Carbonate (CaCO3)
Quartzite
Quartzite (primarily SiO2)
Likely basalt or vesicular volcanic rock
Basalt, possibly scoriaceous basalt; exact identification is uncertain from the photograph
Granite
Granite (felsic intrusive igneous rock)
Red Jasper
Silicon dioxide (Microcrystalline Quartz, SiO2)
Granite
Granite (composed primarily of Quartz, Feldspar, and Mica/Amphibole)
Granite
Phaneritic Igneous Rock (Granite)
Granite
Course-grained intrusive igneous rock
Diabase (also known as Dolerite)
Diabase / Dolerite
Limestone
Calcium Carbonate (CaCO3)
Limestone (specifically Travertine or Tufa)
Calcium Carbonate (CaCO3)
Limestone
Calcium Carbonate (CaCO3)
Granite River Rock
Phaneritic Felsic Igneous Rock (Granite)
Limestone
Calcium Carbonate (CaCO3)
Bornite
Bornite (Cu5FeS4)
Pyrite
Iron Sulfide (FeS2)
Pyrite
Iron Pyrite (FeS2)
Milky Quartz
Silicon Dioxide (SiO2)
Yellow Calcite
Calcium Carbonate (CaCO3)
Clear Quartz
Silicon dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz with Chalcopyrite (or Pyrite)
Silicon Dioxide (SiO2) with Copper Iron Sulfide (CuFeS2)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
Citrine Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Muscovite Mica (on Quartz Matrix)
Muscovite - KAl2(AlSi3O10)(OH)2
Arsenopyrite in Quartz Matrix
Arsenopyrite (FeAsS) with Quartz (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Smoky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz Vein with Iron Staining
Silicon Dioxide (SiO2)
Calcite
Calcium Carbonate (CaCO3)
Orthoclase Feldspar
Potassium Aluminum Silicate (KAlSi3O8)
Quartzite
Quartzite (SiO2)
Peacock Ore (Chalcopyrite)
Chalcopyrite (CuFeS2)
Quartz (Raw Rose and Milky varieties)
Silicon Dioxide (SiO2)