Gneiss
Metamorphic Gneiss (High-grade regional metamorphism)
metamorphic
Category
Igneous, Metamorphic, And Sedimentary
Browse igneous, metamorphic, and sedimentary specimens identified by the Rock Identifier community.
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Banded Gneiss
Gneiss (High-grade regional metamorphic rock)
metamorphic
Gneiss
Gneiss (Metamorphic rock composed primarily of Quartz, Feldspar, and Mica/Amphibole)
metamorphic
Granitic Gneiss
Gneiss (Metamorphic rock of granitic composition)
metamorphic
Gneiss (with Quartz and Biotite Mica)
Gneiss
metamorphic
Banded Gneiss
Gneiss
metamorphic
Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Gneiss
Gneiss (High-grade regional metamorphic rock)
metamorphic
Gneiss
Gneiss
metamorphic
Garnet Gneiss
Gneiss containing almandine-pyrope garnet
metamorphic
Gneiss
Gneissic Metamorphic Rock (Mineral composition: Quartz, Feldspar, Amphibole/Biotite)
metamorphic
Gneiss
Gneiss
metamorphic
Greenstone (Epidosite / Chlorite Schist)
Metabasalt (often contains Epidote Ca2Al2(Fe3+,Al)(SiO4)(Si2O7)O(OH) or Chlorite)
metamorphic
Quartz (Milky Quartz / Quartzite)
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Honey Calcite
Calcium Carbonate (CaCO3)
mineral
Pyrite (Cube variety)
Iron Sulfide (FeS2)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Hematite
Iron(III) oxide (Fe2O3)
Mineral
Quartz (Milky or Cloudy variety)
Silicon Dioxide (SiO2)
mineral
Potassium Feldspar
Orthoclase (KAlSi3O8)
mineral
Chakra Stone (Composite / Man-made Bonded Gemstones)
Composite of Quartz, Lapis Lazuli, Aventurine, Tiger's Eye, and Jasper (SiO2, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, etc.)
Combined Minerals / Metaphysical stones
Quartz Vein in Schist
Quartz-rich Micaceous Schist (SiO2 + phyllosilicates)
metamorphic
Gneiss (Banded Gneiss)
Gneiss
metamorphic
Gneiss
Foliated Metamorphic Gneiss
metamorphic
Epidote with Magnetite/Hematite inclusions
Epidote (Ca2(Al2,Fe3+)(SiO4)3(OH)) with Iron Oxides
mineral
Magnetite
Magnetite (Fe3O4)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Unidentifiable Specimen
Undetermined
Unknown
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral