Schist
Schist
metamorphic
Category
Igneous And Metamorphic
Browse igneous and metamorphic specimens identified by the Rock Identifier community.
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Wollastonite
Calcium Inosilicate, CaSiO3
mineral
Garnet
Garnet Group (often Pyrope or Almandine); X3Y2(SiO4)3
mineral
Greenschist
Chlorite schist
metamorphic
Tumbled dark gray stone, likely basalt
Basalt; fine-grained mafic volcanic rock composed mainly of plagioclase feldspar and pyroxene, commonly with olivine
igneous
Greenschist (containing Epidote and Quartz)
Greenschist (Epidote-Chlorite-Actinolite Schist)
metamorphic
Orthoclase Feldspar
Potassium aluminum silicate (KAlSi3O8)
mineral
Sodalite
Sodalite: Na8(Al6Si6O24)Cl2
mineral
Greenschist
Greenschist (containing Chlorite, Actinolite, and Epidote)
metamorphic
Quartz Vein in Schist / Gneiss
Silicon Dioxide (SiO2) in Metamorphic Matrix
igneous
Green Schist (Greenschist)
Greenschist facies metamorphic rock
metamorphic
Granitoid Gneiss with Feldspar Vein
Gneiss (High-grade Metamorphic Rock) with Potassium Feldspar (KAlSi3O8)
metamorphic
Quartz with Actinolite or Tourmaline inclusions
Silicon Dioxide (SiO2) with Ca2(Mg,Fe)5Si8O22(OH)2 or Tourmaline group inclusions
igneous
Gneiss
Gneiss (Foliated Metamorphic Rock)
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Likely biotite-bearing metamorphic rock (schist or gneiss)
Mica schist/gneiss; chiefly quartz, feldspar, and biotite mica
metamorphic
Gneiss with Quartz Veining
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Greenschist
Greenschist (Major minerals include Chlorite, Actinolite, and Epidote)
metamorphic
Muscovite (Mica)
Muscovite - KAl2(AlSi3O10)(OH)2
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Magnetite
Magnetite (Fe3O4)
mineral
Schist
Chlorite/Mica Schist
metamorphic
Greenschist
Greenschist (Chlorite Schist)
metamorphic
Greenstone (Epidosite/Altered Diorite)
Metabasalt or Meta-andesite / Epidotized Diorite
metamorphic
Clear quartz crystal fragments
Quartz (silicon dioxide, SiO₂)
mineral
Quartz (Tumbled)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Emerald
Beryl (Be3Al2(SiO3)6)
gemstone
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Boulder
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral