Quartz
Silicon Dioxide (SiO2)
Category
Browse metamorphic and sedimentary specimens identified by the Rock Identifier community.
Quartz
Silicon Dioxide (SiO2)
Tumbled Rose Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Magnetite / Hematite (Iron Ore)
Magnetite (Fe3O4) or Hematite (Fe2O3)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz pebble
Silicon dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz and Unakite
SiO2 (Quartz) / Epidote, Pink Orthoclase, Quartz (Unakite)
Quartz
Silicon Dioxide (SiO2)
Magnetite
Iron(II,III) oxide (Fe3O4)
Quartz
Silicon Dioxide (SiO2)
Colorless Quartz (Rhinestone)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz with Iron Inclusions
SiO2
Milky Quartz/White Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
White Quartz
Silicon Dioxide (SiO2)
K-Feldspar (Potassium Feldspar)
Potassium Feldspar (KAlSi3O8)
White Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz Point
Silicon Dioxide (SiO2)
Quartz River Rock
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz Mineral
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Citrine
SiO2 (Silicon Dioxide)
White Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
White Quartz
Quartz (Silicon Dioxide, SiO2)
Smoky Quartz
Silicon dioxide (SiO2)
Mixed rock collection
Labeled specimens appear to include iron-rich rock, schist, basalt, serpentinite, and shale
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz pebble
Silicon dioxide (SiO2)