Quartz (Milky/Sugar variety)
Silicon Dioxide (SiO2)
Category
Browse metamorphic rock (variety of quartz) specimens identified by the Rock Identifier community.
Quartz (Milky/Sugar variety)
Silicon Dioxide (SiO2)
Amethyst
SiO2 (Silicon Dioxide)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Feldspar
Potassium Feldspar (KAlSi3O8)
Quartz
Quartz (SiO2 - Silicon Dioxide)
Weathered brown rock, likely sandstone
Quartz-rich sandstone (composition uncertain from image)
Biotite-rich schist (probable mica schist)
Mica schist, dominated by biotite and quartz; possible garnet-bearing variety
Quartzite River Rock
Metamorphic Rock (Quartzite)
Rough Quartz (Smoky or Citrine variant)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Likely weathered granite or granitic pegmatite fragment
Granite; primarily quartz (SiO₂), feldspar, and mica
Quartz (Raw Specimen)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Banded gneiss pebble
Gneiss, chiefly quartz–feldspar–mica; exact variety indeterminate from image
Micaceous iron-rich metamorphic rock (probable schist)
Biotite–muscovite quartz schist, possibly containing hematite or sulfide minerals
Gneiss
Gneiss (High-grade metamorphic rock)
Quartz
Silicon Dioxide (SiO2)
Wishing Stone (Quartz Vein in Greywacke / Basalt)
Quartz vein in host rock (e.g. Meta-basalt or Greywacke)
Quartzite Cobble
Quartzite (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Carnelian
Carnelian (a variety of Chalcedony, SiO ₂)
Milky Quartz
Silicon Dioxide (SiO2)
Quartzite
Quartzite (SiO2)
White Quartz
Silicon Dioxide (SiO2)