Garnet Schist
Almandine Garnet Schist
metamorphic
Category
Metamorphic Mineral
Browse metamorphic mineral specimens identified by the Rock Identifier community.
Learn about Metamorphic Mineral in the encyclopedia
View all →
Milky Quartz with Mica Matrix
SiO2 (Silicon Dioxide) with Muscovite/Biotite mica
mineral
Quartz Druze on Matrix
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Weathered, quartz-rich metamorphic rock (likely schist or gneiss)
Quartz–feldspar–mica schist/gneiss, with surface lichens and iron-oxide staining
metamorphic
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
metamorphic
Clear Quartz (Faceted)
Silicon Dioxide (SiO2)
gemstone
Quartz Boulder
Silicon Dioxide (SiO2)
mineral
Greenschist
Greenschist (Actinolite-Chlorite Schist)
metamorphic
Greenschist / Migmatite
Regional Metamorphic Complex (Facies: Greenschist to Amphibolite)
metamorphic
Milky Quartz
Silicon dioxide (SiO2)
mineral
Banded metamorphic rock, likely gneiss
Biotite–quartz–feldspar gneiss, possibly migmatitic
metamorphic
Raw Garnet Fragment
Nesosilicate Group (e.g., Almandine, Fe3Al2(SiO4)3)
mineral
Gneiss (likely banded granitic gneiss)
Quartz–feldspar–mica gneiss; commonly containing biotite and hornblende
metamorphic
Quartz with Mafic/Chlorite Veins
Silicon Dioxide (SiO2) with Chlorite/Epidote cross-veining
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Weathered foliated metamorphic rock, likely schist or gneiss
Micaceous schist/gneiss; composition likely quartz, feldspar, mica, and altered mafic minerals
metamorphic
Common Opal
SiO2·nH2O (Hydrated Silicon Dioxide)
mineraloid
Greenschist
Greenschist facies metamorphic rock
metamorphic
Banded Gneiss
Gneiss
metamorphic
Likely weathered gneiss or mica-rich schist
Foliated metamorphic rock, probably quartz–feldspar–biotite gneiss/schist
metamorphic
Green aventurine (likely)
Quartz variety, SiO₂, colored commonly by fuchsite mica or chlorite
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Rhodochrosite
Manganese carbonate (MnCO3)
mineral
White Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz Crystal (Citrine / Golden Quartz)
Silicon Dioxide (SiO2)
mineral
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2 + K(Al,Cr)2AlSi3O10(OH)2
mineral
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
metamorphic
Gneiss
Gneiss
metamorphic
Slate
Slate (Metamorphic rock)
metamorphic
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions of Iron Oxide)
metamorphic
Biotite Mica
K(Mg,Fe2+)3(Al,Fe3+)Si3O10(OH,F)2
Mineral
Tumbled jadeite or nephrite jade bead bracelet
Jade: jadeite (NaAlSi₂O₆) or nephrite, a tremolite–actinolite amphibole aggregate
gemstone
Gneiss
Gneiss (Metamorphic Rock)
metamorphic
White Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Quartz crystal cluster
Quartz (silicon dioxide, SiO₂)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Emerald
Beryl (Be3Al2(SiO3)6) with chromium/vanadium impurities
mineral
Blue Apatite
Apatite Group (Ca5(PO4)3(F,Cl,OH))
mineral
Quartz with Sulfide Inclusions
Silicon Dioxide (SiO2) with metallic mineral inclusions
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral