Quartz
Silicon Dioxide (SiO2)
Category
Browse igneous, sedimentary, and metamorphic specimens identified by the Rock Identifier community.
Quartz
Silicon Dioxide (SiO2)
Blue Quartz
Silicon Dioxide (SiO2) with inclusions
Quartz (Pebble)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal) Bracelet
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz Crystal
Silicon Dioxide (SiO2)
Magnetic Sand Grain / Magnetite Pellet
Magnetite (Fe3O4)
Quartz (Granular)
Silicon Dioxide (SiO2)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Quartz Crystal Fragment
Silicon Dioxide (SiO2)
Greenish Metamorphic Rock (likely containing epidote or chlorite)
Metamorphic rock, possibly epidosite or greenstone
Calcite
Calcium Carbonate (CaCO3)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon dioxide (SiO2)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Magnetite (potentially Hematite-rich)
Magnetite (Fe3O4)
White Quartz
Silicon Dioxide (SiO2)
Iceland Spar (Optical Calcite)
Calcite (CaCO3)
Quartz
Silicon Dioxide (SiO2)
Quartz (Pink/Rose Quartz or Quartz Crystal)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz Crystal
Silicon Dioxide (SiO2)
Clear Quartz Crystal
Silicon Dioxide (SiO2)
Agate
Silicon Dioxide (Chalcedony), SiO2
White Quartz
Silicon Dioxide (SiO2)
White Quartz Beads
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Yellow Calcite
Calcium Carbonate (CaCO3)
Quartz
Silicon dioxide (SiO2)
Pyrite
Iron Disulfide (FeS2)
Optical Calcite
Calcium Carbonate (CaCO3)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Mixed Mineral Collection
Multi-mineral Assemblage (Quartz, Jasper, Obsidian, Pyrite, etc.)
Milky Quartz
Silicon Dioxide (SiO2)