Milky Quartz
Silicon Dioxide (SiO2)
mineral
Category
Metamorphic Mineral
Browse metamorphic mineral specimens identified by the Rock Identifier community.
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Muscovite Mica
Muscovite / KAl2(AlSi3O10)(OH)2
mineral
Rainbow Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Gneiss
Metamorphic Gneiss
metamorphic
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
metamorphic
Small quartz-rich pebble or rock fragment
Quartz (silicon dioxide, SiO₂), possibly with iron-oxide staining or host-rock inclusions
mineral
Muscovite
KAl2(AlSi3O10)(OH)2
mineral
Sapphirine in Matrix
Sapphirine (Mg,Al)8(Al,Si)6O20
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Quartz Mineral
Silicon Dioxide (SiO2)
mineral
Magnetite
Magnetite (Iron(II,III) oxide, Fe3O4)
mineral
Drill Core Samples (Varied Lithology)
Multi-lithological core samples (containing potential granite, marble, and phyllite/schist sequence)
igneous, sedimentary, and metamorphic
Muscovite Mica
KAl2(AlSi3O10)(OH)2
mineral
Muscovite Mica
KAl2(AlSi3O10)(OH)2
mineral
Banded Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Schist
Mica Schist (Metamorphic Rock)
metamorphic
Biotite Mica Schist
Metamorphic Rock containing Biotite K(Mg,Fe)3AlSi3O10(OH)2
metamorphic
Pyrite in Quartz Matrix
Iron Sulfide (FeS2) embedded in Silicon Dioxide (SiO2)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Epidote in Matrix (likely Amphibolite or Gneiss)
Epidote (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH)) in Metamorphic Matrix
metamorphic
Vesuvianite (Idocrase)
Ca19(Al, Mg, Fe)13(SiO4)10(Si2O7)4(OH, F, O)10
mineral
Green Aventurine
Aventurine Quartz (SiO2 with fuchsite inclusions)
Mineral
Schist
Schist
metamorphic
Quartz Veined Mudstone
Metasedimentary rock with Quartz (SiO2) veins
metamorphic
Almandine Garnet
Fe3Al2(SiO4)3
mineral
Mica Schist or Muscovite
KAl2(AlSi3O10)(OH)2
metamorphic
Talc
Talc (Hydrated magnesium silicate, Mg3Si4O10(OH)2)
metamorphic
Rhodonite
Inosilicate, (Mn,Fe,Mg,Ca)SiO3
mineral
Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Mica (Muscovite or Biotite)
Sheet silicate mineral group (e.g., KAl2(AlSi3O10)(F,OH)2)
mineral
Quartz with Epidote
Silicon dioxide (SiO2) with Calcium aluminum iron silicate (Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH))
mineral
Rhodonite
Manganese Inosilicate (Mn,Fe,Mg,Ca)SiO3
mineral
Red Calcite
Calcium Carbonate (CaCO3)
mineral
Biotite-rich gneiss
Gneiss, likely quartz–feldspar–biotite gneiss
metamorphic
Epidote
Calcium aluminum iron silicate (Ca2(Al, Fe)3(SiO4)3(OH))
mineral
Tumbled green aventurine quartz
Aventurine quartz, silicon dioxide (SiO₂) with dispersed fuchsite or other mica inclusions
mineral
Corundum (Sapphire/Ruby in Matrix)
Aluminium oxide (Al2O3)
mineral
Yellow Aventurine (Yellow Quartz)
Silicon Dioxide (SiO2) with inclusions of Muscovite or Mica
Mineral (variant of Quartz)
Epidotite (Unakite-related Epidote)
Epidote (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH))
metamorphic
Blue Apatite
Fluorapatite (Ca5(PO4)3(F,Cl,OH))
mineral
Weathered granite or granitic gneiss
Granite; chiefly quartz, feldspar, and mica, possibly with gneissic foliation
igneous