Specular Hematite
Specularite (Fe2O3)
mineral
Category
Metamorphic Mineral
Browse metamorphic mineral specimens identified by the Rock Identifier community.
Learn about Metamorphic Mineral in the encyclopedia
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Epidote
Epidote (Ca2(Al, Fe)3(SiO4)3(OH))
mineral
Milky quartz fragment
Quartz, silicon dioxide (SiO₂)
mineral
Iron-stained banded gneiss
Quartz–feldspar gneiss with iron-oxide staining; exact minerals cannot be confirmed from the image
metamorphic
Biotite-rich gneiss
Gneiss, likely quartz–feldspar–biotite gneiss
metamorphic
Sugilite
Sugilite (KNa2(Fe,Mn,Al)2Li3Si12O30)
mineral
Magnetite (Lodestone)
Magnetite (Fe3O4)
mineral
Rhodonite
Rhodonite (MnSiO3)
mineral
Quartzite Pebble
Metamorphic Quartzite
metamorphic
Schist
Metamorphic Rock (Schist)
metamorphic
Mica Schist
Metamorphic Rock (Schistose)
metamorphic
Likely garnet-bearing rock
Garnet in a dark metamorphic matrix; garnet is commonly almandine, Fe₃Al₂(SiO₄)₃
metamorphic
Ruby in Zoisite
Anyolite
metamorphic
Gneiss
Gneiss (Foliated Metamorphic Rock)
metamorphic
Quartz Veined Mudstone
Metasedimentary rock with Quartz (SiO2) veins
metamorphic
Banded gneiss (water-worn pebble)
Quartz–feldspar gneiss, with likely mica; exact mineralogy cannot be confirmed from the photo
metamorphic
Blue Apatite
Apatite (Ca5(PO4)3(F,Cl,OH))
mineral
Serafina (Serafinite / Clinochlore)
Clinochlore (Mg5Al)(AlSi3O10)(OH)8
mineral
Weathered mica-rich schist (likely muscovite schist)
Muscovite–quartz schist; chiefly muscovite mica and quartz, with possible feldspar and iron-bearing minerals
metamorphic
Auriferous Quartz (Gold-bearing Quartz)
Silicon Dioxide (SiO2) with trace Gold (Au) and Iron Oxides
mineral
Mica-rich schist (probable)
Mica schist, composed mainly of mica minerals with quartz and possibly feldspar
metamorphic
Sapphirine in Magnesian Schist
Sapphirine: (Mg,Al)8(Al,Si)6O20
metamorphic
Pink Rhodonite
Manganese Silicate (MnSiO3)
mineral
Green Tourmaline (Verdelite) / Actinolite
Tourmaline group: Na(Mg,Fe,Li,Al,Mn)3Al6(BO3)3Si6O18(OH)4 / Actinolite: Ca2(Mg,Fe)5Si8O22(OH)2
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Foliated metamorphic rock, likely gneiss
Biotite–quartz–feldspar gneiss, possibly migmatitic gneiss
metamorphic
Hypersthene (or Enstatite/Ferrosilite)
Orthopyroxene series (Mg,Fe)SiO3 - specifically, historically hypersthene (intermediate member) now referred to as Enstatite (Mg-rich) or Ferrosilite (Fe-rich)
Mineral
Black Sand (Magnetite Sand)
Magnetite (Fe3O4)
mineral
Greenstone
Metabasalt / Greenschist
metamorphic
Gneiss (with Mica and Quartz)
Gneissic Metamorphic Rock
metamorphic
Sphalerite
Zinc Sulfide (ZnS)
mineral
Gneiss
Foliated Metamorphic Rock
metamorphic
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Glaucophane / Blueschist
Glaucophane (Na2Mg3Al2Si8O22(OH)2)
metamorphic
Quartz Mineral
Silicon Dioxide (SiO2)
mineral
Red Garnet
Pyrope or Almandine (X3Y2(SiO4)3)
mineral
Quartzite Pebble
Metamorphic Quartzite
metamorphic
Quartzite Pebble
Metamorphic Quartzite
metamorphic
Gneiss
Gneissic Metamorphic Rock
metamorphic
Quartz with Mica
Silicon Dioxide (Quartz, SiO2) with Muscovite/Biotite Mica
mineral