Clear Quartz
Silicon Dioxide (SiO2)
Category
Browse sedimentary and igneous specimens identified by the Rock Identifier community.
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz Geode
Silicon Dioxide (SiO2)
Quartz Crystal Fragment
Silicon Dioxide (SiO2)
Gneiss with Quartz Veining
Gneiss (High-grade Metamorphic Rock)
Quartz (Common or Milky)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Amphibolite
Amphibolite (rich in amphibole and plagioclase feldspar)
Pyrite
Iron Sulfide (FeS2)
Gneiss
Gneiss (High-grade metamorphic rock)
Gneiss with Quartz Veining
Gneiss (High-grade Metamorphic Rock)
Gneiss Pebble
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)
Gneiss
Gneiss
Gneiss
Gneiss (High-grade metamorphic rock)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
Gneiss
Gneiss
White Agate / Chalcedony
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Milky or Smoky)
Silicon Dioxide (SiO2)
Quartz (Milky or Cloudy Quartz)
Silicon Dioxide (SiO2)
Hematite
Iron(III) oxide (Fe2O3)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Blue Apatite
Apatite - Ca5(PO4)3(F,Cl,OH)
Gneiss (Banded Gneiss)
Gneiss
Schist (Chlorite or Mica-rich)
Chlorite Schist
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)
Pink Granite Gneiss
Granitic Gneiss
Banded Gneiss
Gneiss
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Magnetite
Magnetite (Fe3O4)
Chalcedony (Grey/White Agate)
Silicon Dioxide (SiO₂)
Pyrite (on Quartz matrix)
Iron Disulfide (FeS2)
Yellow Quartz (Citrine or Yellow Jasper)
Silicon Dioxide (SiO2)