Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Category
Browse mixed: igneous and sedimentary specimens identified by the Rock Identifier community.
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
White Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
Quartz (Clear Quartz)
Silicon Dioxide (SiO2)
Pyrite
Iron Disulfide (FeS2)
Pyrite
Iron Disulfide (FeS2)
Gneiss
Gneiss
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Common Milky Quartz)
Silicon Dioxide (SiO2)
Quartz (Milky or Cloudy variety)
Silicon Dioxide (SiO2)
Honey Calcite
Calcium Carbonate (CaCO3)
Garnet (Almandine)
Almandine (Fe3Al2(SiO4)3)
Gneiss
Gneiss (High-grade Metamorphic Rock)
Quartz
Silicon Dioxide (SiO2)
Gneiss
Metamorphic Gneiss (High-grade regional metamorphism)
Pyrite (Cube variety)
Iron Sulfide (FeS2)
Banded Gneiss
Foliated Gneiss
Calcite
Calcium Carbonate (CaCO3)
Botryoidal Chalcedony (Agate)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Potassium Feldspar
Orthoclase (KAlSi3O8)
Clear Quartz
Silicon Dioxide (SiO2)
Hematite (Iron Ore)
Hematite (Fe2O3)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Pyrite
Iron disulfide (FeS2)
Hematite
Iron(III) oxide (Fe2O3)
Clear Quartz (Rock Crystal)
Quartz (Silicon Dioxide, SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Banded Gneiss (with Quartz Vein)
Gneiss (Metamorphic rock of varying mineralogy)
Gneiss
Gneiss
Gneiss
Gneiss
Quartz (Milky or White Quartz)
Silicon Dioxide (SiO2)
Quartz (Milky/Crystal variety)
Silicon Dioxide (SiO2)
Quartz Druzy (on Calcedony/Quartz base)
Silicon Dioxide (SiO2)
Pyrite
Iron Disulfide (FeS2)
Pyrite
Iron Disulfide (FeS2)
Banded Gneiss
Gneiss (High-grade regional metamorphic rock)
Gneiss
Gneiss (High-grade metamorphic rock)
Quartz (Small Fragment)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Pyrite
Iron Disulfide (FeS2)
Quartz (Gravel Pebble)
Silicon Dioxide (SiO2)