Quartzite
Quartzite (primarily SiO2)
metamorphic
Category
Metamorphic Rock (Primarily Composed Of Minerals)
Browse metamorphic rock (primarily composed of minerals) specimens identified by the Rock Identifier community.
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Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite River Rock
Quartzite (primarily SiO2)
metamorphic
Quartzite River Rock
Quartzite (SiO2)
metamorphic
Porphyritic Basalt
Amygdaloidal Porphyritic Basalt
igneous
Quartzite Cobble
Quartzite (primarily SiO2)
metamorphic
Almandine Garnet
Fe3Al2(SiO4)3
mineral
Granite
Granite (composed of Quartz, Feldspar, and Mica/Amphibole)
igneous
Quartzite
Quartzite (primarily Silicon Dioxide, SiO2)
metamorphic
Petrified Wood
Silicified Wood (primarily Chalcedony or Quartz, SiO2)
sedimentary
Diorite (Gneissic)
Diorite
igneous
Alkali Basalt with iron oxidation
Mafic Volcanic Rock (Fe-bearing Basalt)
igneous
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Anthracite Coal
Anthracite (Carbon-rich Sedimentary-to-Metamorphic Rock)
metamorphic
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic Volcanic Rock)
Igneous
Quartz (Milky or Smoky Quartz Pebble)
Silicon Dioxide (SiO2)
mineral
Quartzite (clastic/metamorphic subtype)
Quartzite (primarily Silicon Dioxide, SiO2)
metamorphic
Quartzite River Rock
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartzite Pebble
Quartzite (SiO2)
metamorphic
Ferruginous Quartzite (Red Quartz)
Quartzite (SiO2 with Hematite/Iron impurities)
metamorphic
Clear Quartz Crystal
Quartz (Silicon Dioxide, SiO2)
mineral
Diorite
Phaneritic Intermediate Plutonic Rock (Diorite)
igneous
Chalk
Calcium Carbonate (CaCO3)
sedimentary
Gneiss (River Cobble)
Gneiss (Foliated Metamorphic Rock)
metamorphic
Ironstone Concretion (Moqui Marble)
Iron-oxide Concretion (Hydrated ferric oxide, Fe2O3·nH2O)
sedimentary
Milky Quartz
Quartz / Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Ferruginous Breccia
Breccia with Iron-rich (Hematite/Goethite) Matrix
sedimentary
Biotite Mica
Biotite, K(Mg,Fe)3AlSi3O10(F,OH)2
mineral
Granite
Phaneritic Plutonic Felsic Rock (Granite)
igneous
Quartzite River Stone
Quartzite (primarily SiO2)
metamorphic
Quartzite River Stone
Quartzite (SiO2)
metamorphic
Zebra Jasper
Silicon Dioxide (SiO2) with various inclusions
metamorphic/sedimentary
Mica (Muscovite)
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
White Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite Pebble (Beach Stone)
Quartzite (primarily SiO2)
metamorphic
Quartzite Pebble
Quartzite (primarily SiO2)
metamorphic
Quartzite Pebble
Quartzite (primarily SiO2)
metamorphic
Quartzite Pebble
Quartzite (primarily SiO2)
metamorphic