Gneiss
Gneiss (High-grade metamorphic rock)
Category
Browse sedimentary or metamorphic derived specimens identified by the Rock Identifier community.
Gneiss
Gneiss (High-grade metamorphic rock)
Quartz Mineral Specimens
Quartz (Silicon Dioxide, SiO2)
Clear Quartz Crystal
Silicon dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Milky or Smoky)
Silicon Dioxide (SiO2)
Quartz (Milky or Cloudy Quartz)
Silicon Dioxide (SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Magnetite
Magnetite (Fe3O4)
Quartz (Smoky/Clear variety)
Silicon Dioxide (SiO2)
Quartz Chip
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Blue Calcite
Calcium Carbonate (CaCO3)
Quartz
Silicon dioxide (SiO2)
Quartz (Milky/Clear Quartz)
Silicon Dioxide (SiO2)
Blue Calcite
Calcium Carbonate (CaCO3)
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Honey Calcite
Calcium Carbonate (CaCO3)
Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Calcite
Calcium Carbonate (CaCO3)
Quartz
Silicon Dioxide (SiO2)
Quartz (Milk/Citrine variety)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
White Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Milky Quartz
Silicon Dioxide (SiO2)
Green Calcite
Calcium Carbonate (CaCO3)
Peacock Ore (Chalcopyrite)
Chalcopyrite (CuFeS2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Grain)
Silicon Dioxide (SiO2)
Quartz in Matrix
Silicon Dioxide (SiO2)
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
Hematite
Iron(III) oxide (Fe2O3)