Mica Schist
Mica Schist (primarily muscovite and biotite)
metamorphic
Category
Mineral In Metamorphic Rock
Browse mineral in metamorphic rock specimens identified by the Rock Identifier community.
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Gold-bearing Quartz
Auriferous Quartz (SiO2 with Native Gold inclusion)
mineral
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals like Antigorite, Lizardite, and Chrysotile)
metamorphic
Ruby in Zoisite with Hornblende
Anyolite (Ruby: Al2O3, Zoisite: Ca2Al3(SiO4)3(OH))
metamorphic
Chrysocolla (on host rock)
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Copper silicate)
mineral
Emerald with Matrix (Emerald in Mica Schist)
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
mineral
Banded Gneiss Pebble
Banded Gneiss
metamorphic
Clear Quartz
Silicon dioxide (SiO2)
mineral
Milky Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
mineral
Giallo Ornamental Granite
Phaneritic Igneous Rock (composed of Quartz, Feldspar, and Mica)
igneous
Blue Apatite
Apatite - Ca5(PO4)3(F,Cl,OH)
mineral
Nuummite
Nuummite (Orthorhombic amphiboles: Anthophyllite and Gedrite)
metamorphic
Garnet
Almandine (Fe3Al2(SiO4)3)
mineral
Schist
Mica Schist
metamorphic
Quartzite with inclusions
Metamorphic Quartzite (SiO2 with accessory minerals)
metamorphic
Gneiss (Metamorphic Rock)
Gneiss
metamorphic
Mixed Mineral Collection (with Quartz, Beryl, and host rock)
Silicon Dioxide (Quartz), Be3Al2Si6O18 (Beryl), and associated Schist/Pegmatite
mineral
Banded gneiss pebble
Biotite–quartz–feldspar gneiss (composition variable)
metamorphic
Quartz (Milky Quartz / Quartzite)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Yellow Aventurine
Silicon Dioxide (Quartz with inclusions), SiO2
mineral
Pink Tourmaline (Rubellite)
Elbaite (Tourmaline group) - Na(Li,Al)3Al6(BO3)3Si6O18(OH)4
mineral
Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Rhodochrosite
Manganese Carbonate (MnCO3)
mineral
Banded Gneiss
Banded Gneiss (High-grade Metamorphic Rock)
metamorphic
Quartz Boulder
Silicon Dioxide (SiO2)
mineral
Quartz (Quartz Pebble)
Silicon Dioxide (SiO2)
mineral
Chakra Stone Bracelet
Mixed Mineral Assembly (Scoria, Amethyst, Lapis Lazuli, Turquoise/Howlite, Impression Jasper, Tiger's Eye, Carnelian, Red Jasper)
igneous, metamorphic, and sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Slate
Foliated low-grade metamorphic rock
metamorphic
Gneiss
Gneiss (High-grade regional metamorphic rock)
metamorphic
Feldspar
Potassium Feldspar (KAlSi3O8)
mineral
Biotite Schist
Biotite Mica Schist (K(Mg,Fe)3AlSi3O10(OH,F)2)
metamorphic
Carved serpentine wing sculpture
Serpentine-group rock, chiefly antigorite/lizardite: Mg3Si2O5(OH)4
metamorphic
Quartz-rich metamorphic rock, likely milky quartz or quartzite
Quartz (SiO₂); possibly quartzite composed predominantly of recrystallized quartz
metamorphic
Fuchsite
Chromium-bearing Muscovite - K(Al,Cr)2(AlSi3O10)(OH)2
mineral
Emerald in Matrix (Quartz/Calcite)
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
mineral
Gneiss
Gneiss
metamorphic
Unakite
Altered Granite (Granitic Metamorphic Rock)
metamorphic
Gneiss
High-grade metamorphic rock (Gneiss)
metamorphic
Clear Quartz Crystal
Quartz (Silicon Dioxide - SiO2)
mineral