Greenschist
Chlorite schist
metamorphic
Category
Mixed (Igneous, Sedimentary, Metamorphic, And Minerals)
Browse mixed (igneous, sedimentary, metamorphic, and minerals) specimens identified by the Rock Identifier community.
Learn about Mixed (Igneous, Sedimentary, Metamorphic, And Minerals) in the encyclopedia
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Quartz
Silicon Dioxide (SiO2)
mineral
Quartz pebble
Silicon dioxide (SiO2)
mineral
Quartz pebble
Silicon dioxide (SiO2)
mineral
Sandstone (likely Greywacke or Siltstone variety)
Arenite / Siltstone (primarily SiO2)
sedimentary
K-Feldspar (Potassium Feldspar)
Orthoclase / Microcline (KAlSi3O8)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Chrysocolla-bearing copper ore
Chrysocolla (hydrated copper aluminosilicate, approximately (Cu,Al)₂H₂Si₂O₅(OH)₄·nH₂O), likely with malachite and copper sulfides
mineral
Magnetite (Iron Ore)
Magnetite (Fe3O4)
mineral
Gneiss
Gneiss
metamorphic
Mixed rock and mineral gravel
Predominantly granite/granodiorite, basaltic rocks, quartz, and possible gneiss; exact identification is uncertain from the image
igneous
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Mixed rounded river pebbles, likely basalt and granite
Basalt (fine-grained mafic rock) and granite/granitoid (quartz–feldspar rock)
igneous
Azurite and Malachite
Cu3(CO3)2(OH)2 (Azurite) / Cu2CO3(OH)2 (Malachite)
mineral
Gneiss
Gneiss
metamorphic
Quartz (Tumbled)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Jadeite and Mixed Gemstones (Ruby, Sapphire, Emerald)
Jadeite (NaAlSi2O6), Corundum (Al2O3), Beryl (Be3Al2(Si6O18))
mineral
Chrysocolla
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Hydrated Copper Phyllosilicate)
mineral
Quartz Pebble
Silicon dioxide (SiO2)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Gneiss (specifically Granitic Gneiss)
Gneiss (composed primarily of Quartz, Feldspar, and Biotite/Amphibole)
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Smoky/Milky)
Silicon Dioxide (SiO2)
mineral
Potassium Feldspar
Orthoclase (KAlSi3O8)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz pebble
Silicon dioxide (SiO2)
sedimentary
Magnetite
Magnetite (Fe3O4)
mineral
Foliated Metamorphic Rock (likely Gneiss or Schist)
Gneissic Metamorphic Rock
metamorphic
Schist
Mica Schist (Metamorphic rock)
metamorphic
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Gneiss
Gneiss
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Tumbled green jasper (probable serpentine-rich stone)
Jasper, microcrystalline quartz (SiO₂), possibly mixed with serpentine or chlorite
mineral