Aquamarine
Beryllium aluminum silicate (Be3Al2Si6O18)
mineral
Category
Mineral (Found In Igneous And Metamorphic Rocks)
Browse mineral (found in igneous and metamorphic rocks) specimens identified by the Rock Identifier community.
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Banded Gneiss
Gneiss (SiO2-rich metamorphic rock)
metamorphic
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Gneiss
Foliated Metamorphic Rock
metamorphic
Gneiss
Gneiss
metamorphic
Quartz (beads)
SiO2 (Silicon Dioxide)
Mineral
Quartz / Vein Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Micaceous Rock (likely Muscovite Schist/Gneiss or a Muscovite-rich Specimen)
Predominantly Muscovite (KAl2(AlSi3O10)(F,OH)2), often found in rocks like Muscovite Schist or Muscovite Gneiss.
Metamorphic, Mineral (within a rock type)
Quartz pebble
Silicon dioxide (SiO2)
sedimentary
Actinolite
Ca2(Mg,Fe)5Si8O22(OH)2
mineral
Quartz (Milk or Clear Variety)
Silicon Dioxide (SiO2)
mineral
Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Garnet-Bearing Gneiss
Almandine-Garnet Gneiss
metamorphic
Aquamarine
Beryl (Be3Al2Si6O18)
mineral
Quartz Druzy / Quartz Crystal Cluster
Silicon Dioxide (SiO2)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Biotite Schist
Biotite-rich Schist (K(Mg,Fe)3AlSi3O10(OH,F)2)
metamorphic
Gneiss
Metamorphic Gneiss (High-grade regional metamorphism)
metamorphic
Magnetite (Loadstone candidate)
Iron(II,III) oxide (Fe3O4)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Orthoclase Feldspar (Potassium Feldspar)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Amethyst (Raw)
Amethyst (Silicon Dioxide with Iron impurities, SiO2)
mineral
Quartz (Milky or Grainy Variety)
Silicon Dioxide (SiO2)
mineral
Quartz (Chert/Chalcedony variety)
Silicon Dioxide (SiO2)
mineral
Amazonite
Microcline Feldspar (KAlSi3O8)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Peacock Ore
Bornite (Cu5FeS4)
mineral
Green Aventurine and Clear Quartz
Aventurine (variety of Quartz - SiO2) and Quartz (SiO2)
Mineral
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Agate
Banded Chalcedony (SiO2 - Silicon Dioxide)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Clear Quartz (Tumbled)
Silicon Dioxide (SiO2)
mineral
Gray Agate
Cryptocrystalline Quartz (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Schist
Mica Schist
metamorphic
Amazonite (Microcline Feldspar)
Microcline Feldspar - KAlSi3O8
mineral
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Biotite Gneiss
Gneiss (complex mixture including Biotite K(Mg,Fe)3AlSi3O10(F,OH)2 and Quartz/Feldspar)
metamorphic
Quartz (Iron-stained or Ferruginous)
Silicon Dioxide (SiO2)
mineral