Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Category
Metamorphic Mineral
Browse metamorphic mineral specimens identified by the Rock Identifier community.
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Quartz (Milky or White Quartz)
Silicon Dioxide (SiO2)
mineral
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz (Smoky/Clear variety)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon dioxide (SiO2)
Mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Anthracite Coal
Anthracite (Carbon-rich metamorphic coal)
metamorphic
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite River Rock
Quartzite (primarily SiO2)
metamorphic
Tiger's Eye (Jasper-like Chalcedony)
Silicon dioxide (SiO2) - Pseudomorph after Crocidolite
metamorphic
Schist
Mica Schist
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Biotite Schist
Biotite Schist (K(Mg,Fe)3AlSi3O10(OH,F)2)
metamorphic
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
gemstone
Yellow Jasper
Jasper (Silica-rich Microcrystalline Quartz, SiO2)
sedimentary
Mica-rich Sandstone or Micaceous Schist Weathering
Micaceous Schist (Muscovite-Quartz composition)
Metamorphic or Sedimentary depending on local grade
Schist
Mica Schist
metamorphic
Gneiss (specifically Amphibolite Gneiss)
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Green Aventurine
SiO2 (Silicon Dioxide with inclusions of Fuchsite mica)
mineral
Gneiss
Gneiss (High-grade Regional Metamorphism)
metamorphic
Amethyst
Quartz (Silicon Dioxide with iron impurities), SiO2
mineral
Amazonite
Microcline (KAlSi3O8) with lead impurities
mineral
Sunstone
Plagioclase feldspar (with Copper or Hematite inclusions)
mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Milky Quartz with Matrix
Quartz (Silicon Dioxide, SiO2)
mineral
Yellow Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Feldspar
Potassium Feldspar (KAlSi3O8)
mineral
Greasy Quartz (likely carved Milky Quartz or Aventurine)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky or Grainy Variety)
Silicon Dioxide (SiO2)
mineral
Jadeite (Jade Ring)
NaAlSi2O6 (Sodium Aluminum Silicate)
metamorphic
Sodalite
Sodalite (Na8Al6Si6O24Cl2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Green Quartzite
Quartzite (SiO2 with inclusions)
metamorphic
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxides)
metamorphic
Yellow Aventurine
Quartzite with inclusions (SiO2)
metamorphic
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
metamorphic
Greenstone
Greenschist (composed of chlorite, actinolite, and epidote)
metamorphic