Granitoid Gneiss with Feldspar Vein
Gneiss (High-grade Metamorphic Rock) with Potassium Feldspar (KAlSi3O8)
Category
Browse igneous, sedimentary, and metamorphic specimens identified by the Rock Identifier community.
Granitoid Gneiss with Feldspar Vein
Gneiss (High-grade Metamorphic Rock) with Potassium Feldspar (KAlSi3O8)
Gneiss (Metamorphic Rock)
Gneiss (high-grade regional metamorphic rock)
Greenschist
Greenschist (Chlorite-Epidote-Actinolite Schist)
Gneiss
Gneiss (High-grade Metamorphic Rock)
Gneiss
Gneiss
Greenschist
Greenschist facies rock (containing chlorite, actinolite, albite, and epidote)
Gneiss
Gneiss (high-grade metamorphic rock typically composed of quartz, feldspar, and mica)
Gneiss (Metamorphic Cobble)
Gneiss (High-grade Regional Metamorphic Rock)
Banded Gneiss
Gneiss (quartz-feldspar-biotite metamorphic rock)
Granitic Gneiss Pebble
Gneiss (felsic metamorphic rock)
Milky Quartz (Druzy Geode fragment)
Silicon Dioxide (SiO2)
Blue Apatite
Apatite, Ca5(PO4)3(F,Cl,OH)
Epidote
Epidote; Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
Quartz Pebble
Silicon Dioxide (SiO2)
White Quartz Pebble
Silicon Dioxide (SiO2)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Quartz (Milky/Clear Quartz)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Hematite (Iron Ore)
Hematite (Fe2O3)
Pyrite
Iron Sulfide (FeS2)
Quartz (Iron-stained or Milky)
Silicon Dioxide (SiO2)
Quartz / Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Multi-gemstone Quartz and Fluorite Bracelet
Silicon Dioxide (SiO2) and Calcium Fluoride (CaF2)
Quartz
Silicon Dioxide (SiO₂)
Apatite
Fluorapatite (Ca5(PO4)3F)
Milky Quartz
Silicon Dioxide (SiO2)
Turquoise and Hematite
CuAl6(PO4)4(OH)8·4H2O (Turquoise) and Fe2O3 (Hematite)
Milky Quartz (or Vein Quartz)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO₂)
Quartz (Milky or Common Quartz)
Silicon Dioxide (SiO2)
Clear Quartz Crystal
Silicon Dioxide (SiO2)
Hematite
Iron(III) oxide (Fe2O3)
Clear Quartz Crystal Cluster
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
Pyrite (Iron Pyrite)
Iron Sulfide (FeS2)
Clear Quartz
Silicon Dioxide (SiO2)