Quartz with Mica and Feldspar
Granitic Pegmatite Fragment (SiO2 + KAlSi3O8 + KAl2(AlSi3O10)(OH)2)
igneous
Category
Mineral In Metamorphic Rock
Browse mineral in metamorphic rock specimens identified by the Rock Identifier community.
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Granite Gneiss
Gneiss (High-grade regional metamorphic rock)
metamorphic
Quartz Vein in Matrix (Breccia / Host Rock with Quartz)
Silicon Dioxide (SiO2) in Host Rock Matrix
metamorphic
Gneiss
Gneiss
metamorphic
Pyrite
Iron Disulfide (FeS2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Banded Gneiss
Gneiss (High-grade regional metamorphic rock)
metamorphic
Tiger's Eye (with Blue Tiger's Eye / Hawk's Eye)
Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions)
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Lapis Lazuli (Raw)
Lazurite-rich metamorphic rock; Na3Ca(Al3Si3O12)S
metamorphic
Slate
Foliated Metamorphic Rock (composed primarily of Quartz, Muscovite, and Illite)
metamorphic
Clear Quartz / Rock Crystal
Silicon Dioxide (SiO2)
mineral
Quartz (Druzy)
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Mixed Rock and Mineral Collection
Various geological specimens
igneous, sedimentary, and metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Serpentinite (likely serpentinized ultramafic rock)
Serpentine-group minerals, chiefly antigorite/lizardite; commonly derived from peridotite
metamorphic
Banded Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
River Rock (Gneiss/Schist mix)
Foliated Metamorphic Rock (Gneiss)
metamorphic
Quartz (Milky or Smoky Quartz)
Silicon Dioxide (SiO2)
mineral
Mica Schist with Garnet
Garnet-Mica Schist
metamorphic
Likely quartz-rich metamorphic rock (quartzite or quartz-veined schist)
Quartzite/siliceous schist; chiefly quartz (SiO₂), with probable mica and iron-oxide staining
metamorphic
Milky quartz with dark host-rock inclusions
Quartz (SiO₂), likely in a granitic or metamorphic matrix
mineral
Clear/White Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Biotite Schist
Metamorphic Rock (Schist with biotite and quartz-feldspar matrix)
metamorphic
Garnet Schist
Almandine-mica schist
metamorphic
Serpentine
Serpentinite (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4
metamorphic
Quartz vein in Host Rock
Crystalline Silicon Dioxide (SiO2) in Lithic Matrix
metamorphic
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Unakite
Altered Granite (Epidotized Granite)
metamorphic
Unakite
Altered Granite (Epidotized Granite)
metamorphic
Hydrothermal Quartz Breccia
Hydrothermal Breccia with Quartz and Chloritic/Epidote Clasts
metamorphic
Wishing Stone
Greenschist or Basalt with Quartz/Calcite Vein
metamorphic
Quartz Vein in Schist
Quartz (SiO2) in Pelitic Schist
metamorphic
Garnet Schist
Almandine-Muscovite Schist
metamorphic
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Sodalite
Sodalite (Na8Al6Si6O24Cl2)
mineral
Epidote with Quartz/Feldspar
Epidote (Ca2(Al, Fe)3(SiO4)3(OH)) with associated minerals in a host rock
Mineral/Metamorphic rock
Quartz
Silicon Dioxide (SiO2)
mineral
Serpentinite
Serpentine group minerals ((Mg, Fe)3Si2O5(OH)4)
metamorphic