Quartz-veined Gneiss
Gneiss with Quartz (SiO2) intrusions
Category
Browse igneous, sedimentary, and metamorphic specimens identified by the Rock Identifier community.
Quartz-veined Gneiss
Gneiss with Quartz (SiO2) intrusions
Gneiss (specifically Banded Gneiss)
Gneiss
Banded Gneiss
Gneiss (Metamorphic high-grade, predominantly SiO2, Al2O3, K2O, Na2O)
Gneiss (specifically Micaceous Gneiss)
Gneiss (High-grade Regional Metamorphic Rock)
Graphite
Graphite (Chemical Formula: C)
Garnet
Almandine (Fe3Al2(SiO4)3)
Gneiss (Metamorphic Pebble)
Metamorphic Rock (Quartz-Feldspar-Biotite Gneiss)
Pyritic Gneiss (with Garnet)
Gneiss containing Pyrite (FeS2) and Almandine Garnet (Fe3Al2(SiO4)3)
Gneiss
Gneiss (Foliated Metamorphic Rock)
Gneiss
Gneiss (Foliated Metamorphic Rock)
Gneiss
Gneiss (Foliated Metamorphic Rock)
Banded Gneiss
Gneiss (Metamorphic silicate rock)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
Black Sand (Magnetite Sand)
Magnetite-rich Placers (Fe3O4)
Quartz pebble
Silicon Dioxide (SiO2)
Almandine Garnet
Almandine [Fe3Al2(SiO4)3]
Jasper Pendant
Silicon dioxide (SiO2) with impurities
Banded Gneiss
Gneiss (High-grade regional metamorphic rock)
Banded Gneiss
Gneiss (Metamorphic Rock)
Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Iron-stained Quartz
Silicon Dioxide (SiO2) with Hematite/Limonite inclusions
Quartz
Silicon Dioxide (SiO2)
White Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (Yellow / Citrine Quartz Pebble)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Clear Quartz)
Silicon Dioxide (SiO2)
Pyrite with Quartz
Iron Sulfide (FeS2) with Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Quartz (Clear Quartz)
Silicon Dioxide (SiO2)
Quartz (Milky or Yellowish)
Silicon Dioxide (SiO2)
Pyrite
Iron Disulfide (FeS2)
Clear Quartz
Silicon Dioxide (SiO2)
White Quartz Star
Silicon Dioxide (SiO2)
Pyrite
Iron Disulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz Crystal
Silicon Dioxide (SiO2)