Gneiss
Gneiss (High-grade metamorphic rock)
Category
Browse metamorphic rock (for nephrite and some jadeite); mineral (for jadeite) specimens identified by the Rock Identifier community.
Gneiss
Gneiss (High-grade metamorphic rock)
Schist
Mica Schist
Granitic Gneiss
Gneiss (High-grade metamorphic rock)
Green Aventurine
Quartz with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
Banded Gneiss
Gneiss (High-grade Metamorphic Rock)
Rhodonite
Rhodonite (MnSiO3)
Gneiss
High-grade Metamorphic Gneiss
Gneiss
Gneiss (High-grade metamorphic rock)
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Gneiss (Cobble)
Gneiss
Gneiss
Foliated Metamorphic Rock (Gneiss)
Gneiss
Granitic Gneiss
Hypersthene
Hypersthene (Magnesium Iron Silicate - (Mg,Fe)SiO3)
Banded Gneiss
Gneiss (high-grade metamorphic silicate rock)
Banded Gneiss and Siltstone River Stones
Gneiss (High-grade Metamorphic Rock)
Gneiss
Gneiss
Banded Gneiss
Gneiss (Metamorphic rock)
Greenstone
Metabasalt (Greenstone Facies)
Banded Gneiss
Gneiss (High-grade Metamorphic Rock)
Garnet Gneiss
Gneiss containing Almandine Garnet
Gneiss
Gneiss (a metamorphic rock)
Banded Gneiss with Quartz Veining
Gneiss (High-grade Regional Metamorphism)
Black Tourmaline (Schorl)
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
Greenstone / Greenschist
Greenschist (composed of Chlorite, Epidote, Actinolite)
Granite Gneiss
Gneiss (quartz-feldspar dominated)
Serpentinite
Serpentinite (complex silicate minerals including Lizardite, Antigorite, and Chrysotile)
Schist
Mica Schist (primarily consisting of muscovite KAl2(AlSi3O10)(OH)2 or biotite K(Mg,Fe)3(AlSi3O10)(OH)2)
Banded Gneiss Pebble
Banded Gneiss
Serpentinite
Serpentinite (composed largely of Serpentine group minerals like Antigorite, Lizardite, and Chrysotile: Mg3Si2O5(OH)4)
Granite Gneiss
Gneiss (High-grade regional metamorphic rock)
Gneiss
Gneiss (High-grade metamorphic rock)
Gneiss
Metamorphic Gneiss
Gneiss
Gneiss (High-grade metamorphic rock)
Greenstone / Greywacke
Metagraywacke (contains Chlorite and Epidote)
Gneiss
Gneiss (High-grade Metamorphic Rock)
Serpentine
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Gneiss
High-grade regional metamorphic rock (Foliated Gneiss)
Gneiss
Gneiss
Gneiss
Gneiss
Gneiss (specifically Micaceous Gneiss)
Gneiss (High-grade Regional Metamorphic Rock)
Schist
Mica Schist
Greenstone
Greenschist / Greenstone (Epimetamorphic Rock)