Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Category
Igneous, Sedimentary, Metamorphic, Mineral
Browse igneous, sedimentary, metamorphic, mineral specimens identified by the Rock Identifier community.
Learn about Igneous, Sedimentary, Metamorphic, Mineral in the encyclopedia
View all →
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Clear)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz / Rock Crystal
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Quartz (Silicon Dioxide, SiO2)
mineral
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Hematite
Hematite (Iron(III) oxide, Fe2O3)
mineral
Quartz (Milky/Chalcedony variety)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss
metamorphic
Tumbled Quartz
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
mineral
Bornite
Bornite (Cu5FeS4)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Gneiss (specifically a weathered Amphibolite or Garnet Gneiss)
Gneiss (complex silicate composition)
metamorphic
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Gneiss (or Granite Gneiss)
Metamorphic rock rich in quartz, feldspar, and biotite/amphibole
metamorphic
Gneiss with Quartz Veining
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Gravel / Small Pebble
Rock Fragment (Gravel)
sedimentary
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Gneiss (Banded Gneiss)
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Gneiss (with iron staining)
Gneiss
metamorphic
River Stone (Granitic Gneiss)
Foliated Granitic Gneiss
metamorphic
Banded Gneiss / Metamorphic River Pebble
Gneiss (Foliated Metamorphic Rock)
metamorphic
Gneiss
Metamorphic Gneiss (High-grade regional metamorphism)
metamorphic
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Gneiss (specifically Micaceous Gneiss)
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Greenstone / Graywacke
Metagraywacke or Chlorite Schist
metamorphic
Gneiss
Banded Gneiss
metamorphic
Gneiss with Quartz Veining
Gneiss (High-grade Metamorphic Rock)
metamorphic
Banded Gneiss
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Quartz
Quartz (Silicon Dioxide - SiO2)
Mineral
Quartz (likely) / Siliceous rock with quartz phenocrysts (if a rock fragment)
Quartz (SiO₂)
Mineral