Epidote with Magnetite/Hematite inclusions
Epidote (Ca2(Al2,Fe3+)(SiO4)3(OH)) with Iron Oxides
Category
Browse sedimentary or metamorphic specimens identified by the Rock Identifier community.
Epidote with Magnetite/Hematite inclusions
Epidote (Ca2(Al2,Fe3+)(SiO4)3(OH)) with Iron Oxides
Green Aventurine and Clear Quartz
Aventurine (variety of Quartz - SiO2) and Quartz (SiO2)
Granite Gneiss with Garnet
Garnetiferous Gneiss
Banded Gneiss
Gneiss (High-grade Metamorphic Rock)
Gneiss
Gneiss (High-grade Metamorphic Rock)
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Graphite
Graphite (Native Carbon, C)
Green Aventurine (Green Quartzite)
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
Quartz Pebble
Silicon Dioxide (SiO2)
Muscovite Mica Schist
Muscovite Schist (KAl2(AlSi3O10)(OH)2)
Gneiss
High-grade metamorphic rock (Gneiss)
Banded Gneiss
Gneiss (High-grade Metamorphic Rock)
Gneiss
Gneiss
Mica Schist
Mica Schist (KAl2(AlSi3O10)(OH)2)
Mica Schist
Mica Schist (primarily Muscovite or Biotite KAl2(AlSi3O10)(OH)2)
Kyanite (Purple variety)
Kyanite (Al₂SiO₅)
Garnet in Schist (Garnetiferous Micaceous Schist)
Almandine Garnet, Fe3Al2(SiO4)3
Marble
Recrystallized Calcite (CaCO3) or Dolomite (CaMg(CO3)2)
Quartzite
Quartzite (SiO2 silicon dioxide)
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
Aventurine Quartz
Silicon Dioxide (SiO2) with Fuchsite inclusions
Mica Schist
Mica Schist (predominantly Muscovite or Biotite sheet silicates)
Gneiss (Granitic Gneiss)
Gneiss
Pyrite
Iron Sulfide (FeS2)
Sandstone (Arkose)
Arkose Sandstone (SiO2 with KAlSi3O8)
Quartz Mineral Specimens
Quartz (Silicon Dioxide, SiO2)
Clear Quartz Crystal
Silicon dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Milky or Smoky)
Silicon Dioxide (SiO2)
Quartz (Milky or Cloudy Quartz)
Silicon Dioxide (SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Blue Apatite
Apatite - Ca5(PO4)3(F,Cl,OH)
Magnetite
Magnetite (Fe3O4)
Quartz (Smoky/Clear variety)
Silicon Dioxide (SiO2)
Quartz Chip
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Blue Calcite
Calcium Carbonate (CaCO3)
Quartz
Silicon dioxide (SiO2)