Sodalite
Na8(Al6Si6O24)Cl2
mineral
Category
Metamorphic Or Igneous (Context Dependent)
Browse metamorphic or igneous (context dependent) specimens identified by the Rock Identifier community.
Learn about Metamorphic Or Igneous (Context Dependent) in the encyclopedia
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Pyrite
Iron Sulfide (FeS2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Sodalite
Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Chert (often called Flint in archaeological contexts)
Silicon Dioxide (SiO2)
sedimentary
Schist
Mica Schist (Foliated Metamorphic Rock)
metamorphic
Greenschist
Chlorite schist
metamorphic
Green Schist
Greenschist (Chlorite Schist)
metamorphic
Garnet
Nesosilicate group (e.g., Almandine: Fe3Al2(SiO4)3)
mineral
Ruby
Corundum (Al2O3:Cr)
gemstone
Sapphire
Corundum (Al2O3)
gemstone
Mica (Muscovite)
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Gneiss
Gneissic Metamorphic Rock
metamorphic
Garnet
Garnet Group (e.g., Almandine Fe3Al2(SiO4)3 or Pyrope Mg3Al2(SiO4)3)
mineral
Nephrite Jade
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)
metamorphic
Labradorite
(Ca, Na)(Al, Si)4O8 (Plagioclase Feldspar)
mineral
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Mineral (Variety of Quartz)
Pegmatite
Igneous Pegmatite
igneous
Greenschist
Greenschist (composed mainly of actinolite/tremolite, chlorite, and epidote)
metamorphic
Phyllite (possibly low-grade greenish slate)
Foliated metamorphic rock composed mainly of very fine-grained quartz, mica, and chlorite; approximate composition varies and has no single fixed chemical formula
metamorphic
Granite
Felsic intrusive igneous rock
igneous
Epidote
Epidote (Ca2(Al2,Fe3+)3(SiO4)3(OH))
metamorphic
Lapis Lazuli
Lapis Lazuli (Primary mineral: Lazurite, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
metamorphic
Magnetite
Magnetite (Fe3O4)
mineral
Muscovite (Mica)
Muscovite - KAl2(AlSi3O10)(OH)2
Mineral
Epidote
Epidote (Ca2(Al, Fe)3(SiO4)3(OH))
mineral
Garnet (specifically Almandine)
Almandine - Fe3Al2(SiO4)3
metamorphic
Biotite Schist
Metamorphic Rock (Schist)
metamorphic
Banded Gneiss Pebble
Gneiss (Metamorphic Rock)
metamorphic
Banded Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Granitic Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Onyx Marble (also commonly called Onyx)
Calcite (CaCO3), often with other mineral impurities
Sedimentary Rock (specifically a type of Travertine)
Greenstone
Metabasalt / Chlorite-actinolite-epidote schist
metamorphic
Small white mineral fragment
Indeterminate; possibly quartz, calcite, or feldspar
mineral
Labradorite
Plagioclase Feldspar (Na,Ca)(Al,Si)4O8
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral