Schist
Schist (containing Quartz, Mica, and Amphibole)
metamorphic
Category
Mineral (Variant Of Quartz)
Browse mineral (variant of quartz) specimens identified by the Rock Identifier community.
Learn about Mineral (Variant Of Quartz) in the encyclopedia
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Tiger's Eye
Silicon Dioxide (SiO2) with Limonite/Goethite pseudomorphs after Crocidolite
Mineral
Quartz (Smoky Quartz variant)
Silicon Dioxide (SiO2)
mineral
Dyed Crackle Quartz (Green)
Quenching-treated Quartz (Silicon Dioxide, SiO2)
mineral
Red Moss Agate (Jasper)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
sedimentary
Sandstone (lithic/quartz variant)
Clastic sedimentary rock (SiO2 predominant)
sedimentary
Quartz (Citrine or Smoky variant)
Silicon Dioxide (SiO2)
mineral
Pink Feldspar (Orthoclase)
Orthoclase Feldspar (KAlSi3O8)
mineral
Granite
Phaneritic Igneous Rock (primarily Quartz, Feldspar, and Mica)
igneous
Amazonite
K(AlSi3O8) - Microcline variant
mineral
Granite
Phaneritic Plutonic Felsic Rock (SiO2, KAlSi3O8, NaAlSi3O8, CaAl2Si2O8)
igneous
Quartz (Smoky/Milky variant)
Silicon Dioxide (SiO2)
mineral
Tiger's Eye (dark/grey variant)
Pseudomorph of Quartz after Crocidolite (SiO2)
mineral
Feldspar (Orthoclase)
Potassium Feldspar (KAlSi3O8)
mineral
Petrified Wood
Silicified wood (Quartz variant, SiO2)
sedimentary
Grey Jasper (Tumbled Quartz variant)
Jasper (Silicon Dioxide, SiO2)
sedimentary
Granite (Dioritic variant)
Phaneritic Felsic Igneous Rock (primarily Quartz, Feldspar, and Mica)
igneous
Quartz (Herkimer Diamond variant)
Silicon Dioxide (SiO2)
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with Iron inclusions)
Mineral
Quartz (Smoky Quartz variant)
Silicon Dioxide (SiO2)
mineral
Desert Rose
Gypsum (CaSO4·2H2O) or Barite (BaSO4) inclusions in sand
mineral
Green Quartz (Prasiolite variant or Aventurine)
Silicon Dioxide (SiO2)
mineral
Quartz (Smoky Quartz variant)
Silicon Dioxide (SiO2)
mineral
Granite
Felsic Plutonic Rock
igneous
Chert (Yellow Jasper variant)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Quartz (Smoky Quartz variant)
Silicon Dioxide (SiO2)
mineral
Quartz (Smoky Quartz variant)
Silicon Dioxide (SiO2)
mineral
Granite
Granite (Mainly Quartz, Feldspar, and Mica)
igneous
Asphalt (Bituminous Concrete)
Composite material (bitumen binder with mineral aggregate)
man-made rock (technosol)
Quartz (Smoky Quartz variant)
Silicon Dioxide (SiO2)
mineral
Granite
Granite (a phaneritic intrusive igneous rock)
igneous
Rough Quartz (Smoky or Citrine variant)
Silicon Dioxide (SiO2)
mineral
Granite
Granite (Felsic Plutonic Rock / SiO2 + Al2O3 + K2O + Na2O + CaO + FeO + MgO)
igneous
Green Aventurine
Silicon Dioxide with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
mineral
Sandstone
Arenite (Siliclastic sedimentary rock)
sedimentary
Agate
Silicon Dioxide (SiO2) - Chalcedony variant
mineral
Potassium Feldspar
Orthoclase (KAlSi3O8)
mineral
Carnelian Agate
SiO2 (Silicon Dioxide - Chalcedony variant)
gemstone
Granite
Phaneritic Plutonic Igneous Rock (Granite)
igneous