Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Category
Mineral (Found In Igneous And Metamorphic Rocks)
Browse mineral (found in igneous and metamorphic rocks) specimens identified by the Rock Identifier community.
Learn about Mineral (Found In Igneous And Metamorphic Rocks) in the encyclopedia
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White Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz / Rock Crystal
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz with Mica (Muscovite or Biotite)
Silicon Dioxide (SiO2) with Phyllosilicates
mineral
Red Feldspar (Orthoclase)
Orthoclase Feldspar (KAlSi3O8)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (Milky/Clear Variety)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky to Clear)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Milky Quartz
SiO2 (Silicon Dioxide)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Yellow/Orange variety)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Cream Quartz Bead
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities
mineral
Black Tourmaline (Schorl) in Matrix
NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Amazonite
Amazonite (Microcline Feldspar) K(AlSi3O8)
mineral
Ferruginous Quartz (Iron-stained Quartz)
Quartz with Iron Oxide inclusions (SiO2 with Fe2O3)
mineral
Quartz pebble
Silicon dioxide (SiO2)
sedimentary
River Gravel
Polymictic gravel and pebble aggregate
sedimentary
Mica in Quartz Host
Muscovite (KAl2(AlSi3O10)(OH)2) in Quartz (SiO2)
igneous
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite (mica)
Mineral (variety of Quartz)
Quartz (Iron-stained River Pebble)
Silicon Dioxide (SiO2)
mineral
Green Aventurine
Silicon Dioxide (Quartz variety with Fuchsite inclusions - SiO2)
mineral
Banded Gneiss Pebble
Gneiss (Metamorphic Rock)
metamorphic
Rough Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Gneiss (River Cobble)
Gneiss
metamorphic
Gneiss (Metamorphic Rock Pebble)
Foliated Metamorphic Rock (Quartz-Feldspar Gneiss / Granitic Gneiss)
metamorphic
Black Tourmaline (Schorl)
Schorl (NaFe2+3Al6(BO3)3Si6O18(OH)4)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Muscovite Mica
Muscovite KAl2(AlSi3O10)(OH)2
mineral