Gneiss
Gneiss
metamorphic
Category
Igneous, Sedimentary, Metamorphic, And Mineral
Browse igneous, sedimentary, metamorphic, and mineral specimens identified by the Rock Identifier community.
Gneiss
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Gneiss
Foliated Metamorphic Gneiss
metamorphic
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneissic Metamorphic Rock (Mineral composition: Quartz, Feldspar, Amphibole/Biotite)
metamorphic
Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Gneiss (with Quartzite and Mica)
Gneiss
metamorphic
Feldspar
Potassium Feldspar (KAlSi3O8)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
Mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Hematite (Tumbled)
Iron(III) oxide (Fe2O3)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Pyrite
Pyrite (FeS₂)
Mineral
Feldspar
KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8
mineral
Gneiss (Pebble)
Gneiss
metamorphic
Gneiss (specifically Granitic Gneiss)
Gneiss (composed primarily of Quartz, Feldspar, and Biotite/Amphibole)
metamorphic
Hematite
Iron(III) oxide (Fe2O3)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Gneiss
Gneiss
metamorphic
Banded Gneiss
Gneiss (Metamorphic high-grade, predominantly SiO2, Al2O3, K2O, Na2O)
metamorphic
Quartz
Silicon Dioxide (SiO₂)
Mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO₂)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss
metamorphic
Gneiss (specifically Banded Gneiss)
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Blue Apatite
Apatite, Ca5(PO4)3(F,Cl,OH)
mineral
Gneiss
High-grade Metamorphic Gneiss
metamorphic
Gneiss (specifically Banded Gneiss)
Gneiss
metamorphic
Magnetite (Lodestone variety)
Magnetite (Iron(II,III) oxide, Fe3O4)
mineral
Pyrite on Quartz
Iron Sulfide (FeS2) on Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss
metamorphic
Garnet (Almandine)
Almandine (Fe3Al2(SiO4)3)
mineral