Quartz
Silicon dioxide (SiO2)
mineral
Category
Mineral With Metamorphic Or Igneous Host
Browse mineral with metamorphic or igneous host specimens identified by the Rock Identifier community.
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Quartz with Pyrite
Silicon Dioxide (SiO2) with Iron Sulfide (FeS2)
mineral
Quartz / Calcite Vein Rock
Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3)
mineral
Quartz (with Iron staining)
Silicon Dioxide (SiO2)
mineral
Garnet in Schist or Pegmatite
Almandine Garnet (Fe3Al2(SiO4)3) in host rock
metamorphic
Epidote with Quartz Vein
Epidote-bearing metamorphic rock with quartz (Ca2(Al,Fe)3(SiO4)3(OH))
metamorphic
Smoky Quartz Cluster
Smoky Quartz (Silicon Dioxide - SiO2)
mineral
Blue Sapphire
Corundum (Al2O3 with iron and titanium trace elements)
mineral
Pink Feldspar
Orthoclase Feldspar (KAlSi3O8)
mineral
Quartz (Milky or Cloudy variety)
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Yellow Quartz Pebble
SiO2 (Silicon Dioxide) with Iron Impurities
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Labradorite (a variety of Feldspar)
Labradorite; (Na,Ca)(Al,Si)4O8 (a plagioclase feldspar)
igneous
Quartz-rich pegmatite (likely feldspar–quartz rock)
Granitic pegmatite; predominantly quartz (SiO₂) and feldspar, with possible mica and iron-oxide staining
igneous
Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
mineral
Wishing Stone (Quartz Vein in Greywacke / Basalt)
Quartz vein in host rock (e.g. Meta-basalt or Greywacke)
metamorphic
Pyrite-bearing Rock
Iron Sulfide (FeS2) associated with host rock
mineral
Greenstone / Serpentinite
Serpentine-group / Altered Mafic Rock
metamorphic
Milky Quartz with Hematite/Limonite staining
Silicon Dioxide (SiO2)
mineral
Green Aventurine
Quartz (SiO2) with Fuchsite inclusions
mineral
Sapphire
Corundum (Al2O3)
gemstone
Rough Blue Sapphire
Corundum (Al2O3)
mineral
Quartz (Milky or Druzy Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz Vein in Host Rock
Quartz (SiO2) in Mafic or Sedimentary Matrix
igneous
Smoky Quartz with Hematite inclusions
Silicon Dioxide (SiO2) with Fe2O3 inclusions
mineral
Garnet Gneiss or Mica Schist with Garnet
Almandine Garnet-bearing Gneiss
metamorphic
Quartz pebble
Silicon Dioxide (SiO2)
sedimentary
Ruby / Pink Sapphire
Corundum (Al2O3 with Chromium impurities)
gemstone
Ruby (Cabochon)
Corundum (Al2O3)
gemstone
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz with Chalcopyrite (or Pyrite)
Silicon Dioxide (SiO2) with Copper Iron Sulfide (CuFeS2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Vein in Host Rock
Silicon dioxide (SiO2) veins in metamorphic/igneous host rock
igneous
Quartz with Host Rock
Silicon Dioxide (SiO2)
mineral
Quartz with Mica
Silicon Dioxide (SiO2) with Mica group inclusions
mineral
Black Sapphire (Basaltic Blue Sapphire)
Corundum (Al2O3)
mineral
Banded Chalcedony (Agate)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
mineral
Quartz Vein in Schist
Quartz-rich Micaceous Schist (SiO2 + phyllosilicates)
metamorphic
Iron-stained Quartz
Silicon Dioxide (SiO2) with Iron Oxide inclusions
mineral
Rose quartz
Quartz (silicon dioxide, SiO₂), pink variety
mineral
Bronzite
Enstatite (magnesium iron silicate), (Mg,Fe2+)SiO3
mineral