Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
mineral
Category
Metamorphic Rock (Composed Of Multiple Minerals)
Browse metamorphic rock (composed of multiple minerals) specimens identified by the Rock Identifier community.
Learn about Metamorphic Rock (Composed Of Multiple Minerals) in the encyclopedia
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Quartz Vein in Siltstone
Siltstone with Quartz (SiO2) inclusion
sedimentary
Magnetite
Magnetite (Fe3O4)
mineral
Greenschist (Greenstone)
Chlorite schist (primarily Chlorite-Epidote-Actinolite-Albite)
metamorphic
Magnetite
Magnetite (Fe3O4)
mineral
Ruby in Zoisite (Anyolite)
Anyolite (Combination of Corundum and Zoisite)
metamorphic
Basalt (Greenstone)
Basalt with chlorite/epidote (often referred to as Greenstone)
igneous
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Red Sandstone
Arenite (Ferruginous Sandstone)
sedimentary
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Kyanite in Quartz
Kyanite (Al2SiO5) with Quartz (SiO2)
metamorphic
Magnetite / Ironstone Pebble
Magnetite (Fe3O4)
mineral
Quartzite Pebble
Metamorphic Quartzite (SiO2)
metamorphic
Chert Geode or Nodule
Microcrystalline Quartz (SiO2)
sedimentary
Quartzite Pebble
Metamorphic Quartz-rich Rock (SiO2)
metamorphic
Gneiss
Gneiss
metamorphic
Blue Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Magnetite / Iron Ore
Magnetite (Fe3O4)
mineral
Quartz
Silicon dioxide (SiO2)
Mineral
Glaucophane-bearing Schist (Blueschist)
Blueschist (Glaucophane-Lawsonite Schist)
metamorphic
Quartz with Chalcopyrite and Pyrite
Silicon Dioxide (SiO2) with Copper Iron Sulfide (CuFeS2)
mineral
Mica Schist
Mica Schist (predominantly Muscovite or Biotite sheet silicates)
metamorphic
Amber (Copal)
Succinite (fossilized resin)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Greenstone
Greenschist / Greenstone (contains epidote, chlorite, and actinolite)
metamorphic
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Granitic Pegmatite
Granite Pegmatite (coarse-grained intrusive igneous rock)
igneous
Azurite and Malachite on Matrix
Azurite: Cu3(CO3)2(OH)2; Malachite: Cu2CO3(OH)2
mineral
Basalt
Mafic Volcanic Rock (composed mainly of Plagioclase, Pyroxene, and Olivine)
igneous
Tiger's Eye (Inlaid in a band)
SiO2 (Silicon Dioxide with Crocidolite inclusions)
mineral
Quartz (Druzy)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
mineral
Dyed Agate
Silicon Dioxide (SiO2) - variety Chalcedony
mineral
Quartz Pebble (Grit)
Silicon Dioxide (SiO2)
mineral
Limonite (with Goethite/Hematite glaze)
Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)
mineral
Muscovite Mica (Golden/Yellow variety)
KAl2(AlSi3O10)(F,OH)2
mineral
Eclogite
Eclogite (Omphacite-Garnet Rock)
metamorphic
Lapis Lazuli
Lapis Lazuli (Rock composed primarily of Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
metamorphic
Lapis Lazuli
Lapis lazuli (a rock primarily composed of Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
metamorphic
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) in matrix
Mineral in Metamorphic/Igneous Host
Moonstone
Orthoclase (KAlSi3O8) with Albite (NaAlSi3O8)
mineral