Quartz
Silicon dioxide (SiO2)
mineral
Category
Igneous, Metamorphic, Sedimentary
Browse igneous, metamorphic, sedimentary specimens identified by the Rock Identifier community.
Learn about Igneous, Metamorphic, Sedimentary in the encyclopedia
View all →
Quartz (Clear Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Gravel variety)
Silicon Dioxide (SiO2)
mineral
Mixed collection of natural stones
Several unidentified lithologies, likely including basalt, granite, quartzite, sandstone, and weathered metamorphic rocks
igneous, metamorphic, sedimentary
Magnetite (Lodestone variety)
Magnetite (Fe3O4)
mineral
Tumbled milky quartz
Quartz, SiO₂; trigonal crystal system
mineral
Quartz (likely milky or iron-stained quartz)
Quartz, silicon dioxide (SiO₂)
mineral
Milky quartz cluster
Quartz (silicon dioxide, SiO₂)
mineral
Tumbled milky quartz
Quartz (silicon dioxide, SiO₂)
mineral
Milky quartz crystal cluster
Quartz (silicon dioxide, SiO₂)
mineral
Likely milky quartz
Quartz (silicon dioxide, SiO₂)
mineral
Clear quartz crystal pendant
Quartz (silicon dioxide, SiO₂)
mineral
Blue Apatite
Apatite (Group), Ca5(PO4)3(F,Cl,OH)
mineral
Clear quartz (rock crystal)
Quartz, crystalline silicon dioxide (SiO₂)
mineral
Red coral (coral beads)
Precious coral, usually Corallium spp.; composed primarily of calcium carbonate (calcite)
gemstone
Milky quartz
Quartz (silicon dioxide, SiO₂)
mineral
Quartz
Silicon dioxide (SiO2)
mineral
Tumbled clear quartz
Quartz (SiO₂)
mineral
Tumbled clear quartz
Quartz (silicon dioxide, SiO₂)
mineral
Small quartz-rich mineral fragment
Quartz (SiO₂), possibly milky or chalcedonic quartz
mineral
Magnetite
Magnetite (Fe3O4)
mineral
Quartz pebble
Silicon dioxide (SiO2)
mineral
Clear Quartz
SiO2 (Silicon Dioxide)
gemstone
Mica
Mica group (often Muscovite or Biotite)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Milky quartz
Quartz, silicon dioxide (SiO₂)
mineral
Magnetite
Magnetite (Fe3O4)
mineral
Blue Apatite
Calcium phosphate fluoride, Ca5(PO4)3(F,Cl,OH)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Blue Apatite
Calcium Phosphate Fluoride/Chloride/Hydroxide, Ca5(PO4)3(F,Cl,OH)
mineral