Serpentine
Serpentinite (group of minerals based on (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)
metamorphic
Category
Metamorphic Rock (For Nephrite And Some Jadeite); Mineral (For Jadeite)
Browse metamorphic rock (for nephrite and some jadeite); mineral (for jadeite) specimens identified by the Rock Identifier community.
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Petrified Wood
Silicified Wood (SiO2)
metamorphic
Potassium Feldspar (Orthoclase)
KAlSi3O8
mineral
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
metamorphic
Garnet (Almandine)
Almandine (Fe3Al2(SiO4)3)
mineral
Petrified Wood
Silicified Wood (SiO2)
metamorphic
Quartzite
Quartzite (composed primarily of Silicon Dioxide, SiO2)
metamorphic
Granitic Gneiss
Gneiss (Metamorphic rock predominantly containing quartz, K-feldspar, and plagioclase)
metamorphic
Garnet (Almandine)
Almandine (Fe3Al2(SiO4)3)
mineral
Eclogite
Eclogite (omphacite-garnet rock)
metamorphic
Magnetite
Magnetite (Fe3O4)
mineral
Biotite Mica
K(Mg,Fe2+)3(Al,Fe3+)Si3O10(OH,F)2
Mineral
Labradorite
Plagioclase Feldspar (Na,Ca)(Al,Si)4O8
mineral
Sodalite
Sodalite, Na8(Al6Si6O24)Cl2
mineral
Garnet (Almandine)
Almandine Fe3Al2(SiO4)3
mineral
Labradorite
Labradorite (Plagioclase Feldspar Series - (Ca, Na)(Al, Si)4O8)
mineral
White Zircon
Zircon (Zirconium silicate, ZrSiO4)
mineral
Banded Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
mineral
Unakite
Unakite (epidote-bearing altered granite; mainly pink potassium feldspar, green epidote, and quartz)
metamorphic
Prehnite
Ca2Al(AlSi3O10)(OH)2
mineral
Biotite (Mica)
Biotite (K(Mg,Fe)3AlSi3O10(OH,F)2)
mineral
Magnetite (potentially Lodestone)
Magnetite (Iron(II,III) oxide, Fe3O4)
mineral
Ferruginous Quartz on Ironstone
Silicon Dioxide (SiO2) with Hematite (Fe2O3)
metamorphic
Amazonite
Potassium Feldspar (KAlSi3O8)
mineral
Garnet Gneiss
Garnetiferous Gneiss
metamorphic
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals like Antigorite, Lizardite, and Chrysotile)
metamorphic
Graphite Schist
C (Carbonaceous Schist)
metamorphic
Quartzite
Quartzite (predominantly Silicon Dioxide, SiO2)
metamorphic
Labradorite (Polished Sphere)
Labradorite ((Ca, Na)(Al, Si)4O8)
mineral
Granitic Gneiss
Gneiss (Granite-derived)
metamorphic
Pyrite
Iron Disulfide (FeS2)
mineral
Garnet
Garnet Group (often Pyrope or Almandine); X3Y2(SiO4)3
mineral
Almandine Garnet
Iron aluminum silicate (Fe3Al2(SiO4)3)
mineral
Garnet (Almandine or Pyrope)
Garnet group; (Fe,Mg)3Al2(SiO4)3
gemstone
Gneiss with Quartz Vein
Gneiss (containing SiO2 vein)
metamorphic
Polished greenstone (likely serpentinite)
Serpentinite, chiefly antigorite/lizardite Mg₃Si₂O₅(OH)₄, possibly with magnetite
metamorphic
Pink Tourmaline (Rubellite)
Elbaite (Complex Borosilicate)
gemstone
Slate
Slate (Foliated Metamorphic Rock)
metamorphic
Muscovite Mica
Muscovite (Potassium Mica) KAl2(AlSi3O10)(OH)2
Mineral
Almandine Garnet
Almandine - Fe3Al2(SiO4)3
mineral
Eclogite with Garnet
Eclogite (Omphacite-Garnet Metamorphic Rock)
metamorphic