Quartz (Smoky/Milky variety with matrix)
Silicon Dioxide (SiO2)
mineral
Category
Granite
Browse granite specimens identified by the Rock Identifier community.
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Quartz / Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss
metamorphic
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Amethyst
Amethyst (variety of Quartz, SiO2)
mineral
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Milky Quartz Cobble
Silicon Dioxide (SiO2)
mineral
Magnetite
Magnetite (Fe3O4)
mineral
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Gneiss (specifically Banded Gneiss)
Gneiss
metamorphic
Quartz (Milky or Common Quartz)
Silicon Dioxide (SiO2)
mineral
Milky and Ferruginous Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky or Citrine-leaning)
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss
metamorphic
Aquamarine
Beryl (Be₃Al₂Si₆O₁₈)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Rough Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Gneiss
Gneiss
metamorphic
Smoky Quartz (Tumbled)
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Biotite (Black Mica)
Biotite (K(Mg,Fe)3AlSi3O10(OH)2)
mineral
Gneiss
Gneiss
metamorphic
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz Cobble (with Iron Oxide Staining)
Microcrystalline to Macro crystalline Quartz (SiO2)
sedimentary
Gneiss
Gneiss
metamorphic
Gneis
Gneiss (High-grade metamorphic rock)
metamorphic
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Riverstone (Quartzite/Granite Cobble)
Silicon Dioxide (SiO2) based Quartzite or Silicate-rich Granite
metamorphic or igneous
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz / Clear Quartz
Silicon Dioxide (SiO2)
mineral