Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Category
Igneous, Metamorphic, And Sedimentary
Browse igneous, metamorphic, and sedimentary specimens identified by the Rock Identifier community.
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Mica-rich Schist fragment
Mica Schist
metamorphic
Pyritic Gneiss
Metamorphic Gneiss with Pyrite inclusions
metamorphic
Greenschist
Chlorite Schist
metamorphic
Greenschist
Greenschist facies metamorphic rock
metamorphic
Green Calcite
Calcium Carbonate (CaCO3)
mineral
Magnetite Nodule
Magnetite (Fe3O4)
mineral
Faceted Clear Quartz
Crystalline Silicon Dioxide (SiO2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Blue Apatite
Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)
mineral
Magnetite
Iron(II,III) oxide (Fe3O4)
mineral
Quartz (Clear Quartz)
Silicon Dioxide (SiO2)
mineral
Potassium Feldspar
Orthoclase (KAlSi3O8)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Orange Calcite
Calcite (CaCO3)
Mineral
Auriferous Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite in Matrix
Iron Sulfide (FeS2)
mineral
Garnet (Almandine)
Almandine (Fe3Al2(SiO4)3)
mineral
Garnet (Almandine)
Almandine (Fe3Al2(SiO4)3)
mineral
Gneiss
Metamorphic Gneiss (High-grade regional metamorphism)
metamorphic
Garnet Gneiss or Mica Schist with Garnet
Almandine Garnet-bearing Gneiss
metamorphic
Gneiss
High-grade regional metamorphic rock (Foliated Gneiss)
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Gneiss
Gneiss
metamorphic
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Gneiss
Metamorphic Gneiss (High-grade regional metamorphism)
metamorphic
Granitic Gneiss
Gneiss (High-grade regional metamorphic rock)
metamorphic
River Rock (likely Gneiss or Quartzite)
Metamorphic rock specimen (potentially Foliated Gneiss)
metamorphic
River Pebble (Gneiss or Granite)
Metamorphic Rock (likely Gneiss or Granitic composition)
metamorphic
Sapphire
Corundum (Al2O3)
mineral
Gneiss
Gneiss
metamorphic
Granite Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Gneiss (specifically a water-worn pebble)
Gneiss
metamorphic
Gneiss (Gneissic Granite)
Gneiss
metamorphic
Gneiss
High-grade metamorphic rock (Gneiss)
metamorphic
Banded Gneiss
Gneiss (High-grade regional metamorphic rock)
metamorphic
Banded Gneiss
Gneiss (complex metamorphic silicate rock)
metamorphic
Gneiss
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic