Gneiss
Foliated Metamorphic Rock
Category
Browse igneous, metamorphic, and sedimentary specimens identified by the Rock Identifier community.
Gneiss
Foliated Metamorphic Rock
Gneiss
High-grade Metamorphic Gneiss
Gneiss
Metamorphic Gneiss
Gneiss
High-grade Metamorphic Gneiss
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
Milky Quartz
Silicon Dioxide (SiO2)
Gneiss
Gneiss
Gneiss with Quartz Vein
Gneiss containing Quartz (SiO2) filler
Gneiss (specifically Banded Gneiss)
Gneiss
Gneiss
Gneiss (High-grade metamorphic rock)
Banded Gneiss
Gneiss
Gneiss
Gneiss
Epidote
Epidote (Ca2(Al2,Fe3+)3(SiO4)3(OH))
Banded Gneiss
Gneiss (High-grade Metamorphic Rock)
Gneiss with Quartz Veining
Gneiss (High-grade Regional Metamorphic Rock)
Gneiss (Green Gneiss)
Gneiss (High-grade Regional Metamorphic Rock)
Gneiss (Granitic Gneiss)
Gneiss
Gneiss
Gneiss
Biotite Gneiss
Gneiss (complex mixture including Biotite K(Mg,Fe)3AlSi3O10(F,OH)2 and Quartz/Feldspar)
Granite Gneiss
Gneiss (High-grade Metamorphic Rock)
Rainbow Fluorite
Fluorite (Calcium Fluoride, CaF2)
Pyrite
Iron Sulfide (FeS2)
Potassium Feldspar
K-Feldspar (Orthoclase/Microcline) KAlSi3O8
Zircon
Zircon (Zirconium Silicate - ZrSiO4)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz (Raw Chunk)
Silicon Dioxide (SiO2)
Green Calcite
Calcium Carbonate (CaCO3)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Pyrite
Iron Pyrite (FeS2)
Pyrite
Iron Sulfide (FeS2)
Hematite
Iron(III) oxide (Fe2O3)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Hematite
Iron(III) oxide (Fe2O3)
Banded Gneiss
Gneiss (High-grade metamorphic rock)
Gneiss
Gneiss (High-grade Metamorphic Rock)
Gneiss
Gneiss (Metamorphic Rock)
Gneiss (with Mica and Quartz)
Gneissic Metamorphic Rock
Banded Gneiss
Gneiss (Metamorphic Rock)
Granitic Gneiss
Gneiss (Metamorphic Rock)
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2
Sand Grain (Silica/Quartz Grain)
Silicon Dioxide (SiO2)
Dragon Blood Jasper
Epidote with Red Piedmontite (silicate)