Mixed Mineral Collection
Multi-mineral Assemblage (Quartz, Jasper, Obsidian, Pyrite, etc.)
mineral
Category
Metamorphic Or Mineral
Browse metamorphic or mineral specimens identified by the Rock Identifier community.
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Epidote
Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
metamorphic
Blue Kyanite
Kyanite (Al2SiO5)
mineral
Potassium Feldspar (Orthoclase / Microcline)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Emerald
Beryl (Be3Al2(SiO3)6)
gemstone
Quartz (Agate/Jasper pebble)
Silicon Dioxide (SiO2)
mineral
Greenish Metamorphic Rock (likely containing epidote or chlorite)
Metamorphic rock, possibly epidosite or greenstone
Metamorphic
Pyrite
Iron Disulfide (FeS2)
mineral
Fluorite (left), Sodalite (middle), Dumortierite/Tumbled Quartzite (right)
Calcium Fluoride (CaF2), Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2), Aluminum Borosilicate (Al7(BO3)(SiO4)3O3)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss
metamorphic
Banded gneiss (likely amphibolite-bearing gneiss)
Gneiss; quartz–feldspar–mica/amphibole aggregate
metamorphic
Red garnet crystal cluster
Most likely almandine garnet, Fe₃Al₂(SiO₄)₃; exact species cannot be confirmed from the image alone.
mineral
Banded Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Felsic Drill Core (likely Gneiss or Granite)
Felsic Metamorphic Rock (Gneissic profile)
metamorphic
Biotite Schist
Biotite Schist
metamorphic
Tumbled rhodonite
Rhodonite, manganese inosilicate (MnSiO₃), commonly mixed with quartz and manganese oxides
metamorphic
Feldspar
Feldspar (Orthoclase/Microcline)
mineral
Pink Quartz
Silicon Dioxide (SiO2)
mineral
Pink Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Yellow Beryl
Beryl (Be3Al2(SiO3)6)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Garnet-bearing gneiss
Biotite–feldspar gneiss with almandine garnet; quartz likely present
metamorphic
Blue Apatite
Fluoroapatite (Ca5(PO4)3F)
mineral
Strawberry Quartz (Quartz with Hematite inclusions)
Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3)
mineral
Chalcopyrite (Peacock Ore)
Copper Iron Sulfide (CuFeS2)
mineral
Black tourmaline (schorl), possibly rough
Schorl tourmaline, NaFe²⁺₃Al₆(BO₃)₃Si₆O₁₈(OH)₄
mineral
Green Aventurine
Aventurine Quartz (SiO2 + Fuchsite mica)
Mineral
Banded gneiss pebble
Gneiss, typically quartz–feldspar–mica; exact mineral composition requires testing
metamorphic
Quartz Vein in Pelite (Metamorphic Rock)
Hydrothermal Quartz Veining in Metasedimentary Rock (SiO2)
metamorphic
Kfeldspar (Potassium Feldspar)
KAlSi3O8
mineral
Epidote
Epidote - {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
mineral
Rhodonite
Rhodonite (MnSiO3)
mineral
Bornite
Bornite (Cu5FeS4)
mineral
Mica Schist
Mica Schist (predominantly Muscovite or Biotite sheet silicates)
metamorphic
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
mineral
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
mineral
Bornite
Bornite (Cu5FeS4)
mineral
Gneiss
Foliated Metamorphic Rock (Gneiss)
metamorphic
Foliated metamorphic rock, likely biotite gneiss or schist
Biotite-rich gneiss/schist; chiefly quartz, feldspar, and biotite mica
metamorphic