Clear Quartz
Silicon Dioxide (SiO2)
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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Green Aventurine
Aventurine Quartz (SiO2 with inclusions of Fuchsite)
mineral
Marble (Sculculpted)
Metamorphosed Limestone (primarily CaCO3)
metamorphic
Mica Schist
Mica Schist
metamorphic
Agate
Silicon Dioxide (SiO2)
mineral
Pink Granite
Phaneritic Felsic Igneous Rock (composed primarily of K-Feldspar, Quartz, and Mica)
igneous
Potassium Feldspar
Orthoclase (KAlSi3O8)
mineral
Quartz
Quartz (SiO2, Silicon Dioxide)
Mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Quartz Geode
Silicon Dioxide (SiO2) - Crystalline Quartz
mineral
Clear Quartz (Tumbled)
Silicon Dioxide (SiO2)
mineral
Silver (Native Element)
Ag (Argentum)
mineral
Gabbro
Phaneritic Basic Igneous Rock (composed primarily of pyroxene and calcium-rich plagioclase)
igneous
Pink Granite
Phaneritic plutonic igneous rock (Alkali-feldspar granite)
igneous
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Ferruginous Quartz (River Pebble)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
mineral
Quartz Vein in Host Rock (Breccia/Rhyolite)
Silicon Dioxide (SiO2) with matrix
Mineral in Igneous/Sedimentary host
Magnetite
Magnetite (Fe3O4)
mineral
Ruby in Fuchsite (often sold as Ruby in Zoisite)
Corundum (Al2O3) in Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)
metamorphic
Tiger's Eye (Jasper-like Chalcedony)
Silicon dioxide (SiO2) - Pseudomorph after Crocidolite
metamorphic
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Pyritic Gneiss
Metamorphic Gneiss with Pyrite inclusions
metamorphic
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Mica Schist
Mica Schist (Muscovite subclass)
metamorphic
Black Tourmaline (Schorl)
Schorl (Sodium iron silicate hydroxide boron silicate); NaFe3Al6(BO3)3Si6O18(OH)4
mineral
Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
mineral
Shatter Cone
Impactite (Shatter Cone texture)
metamorphic
Tiger's Eye
Silicon dioxide (SiO2) - Pseudomorph after crocidolite
mineral
Gold Ore in Quartz/Schist
Auriferous Quartz and Sulfide-bearing Schist
Metamorphic/Igneous (Hydrothermal)
Milky Quartz with inclusions
Silicon Dioxide (SiO2)
mineral
Ruby Fuchsite / Ruby in Fuchsite
Ruby (Al2O3 variety corundum) and Fuchsite (K(Al,Cr)2AlSi3O10(OH)2 - a chromium-rich variety of muscovite mica) in Quartz matrix
Mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Note: This is a Man-Made Object (Costume/Prop Patch)
Synthetic fiber and pigments (Cellulose/Plastic-based composite)
Non-geological
Quartz (specifically Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
mineral
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
mineral
Quartz
Silicon dioxide (SiO2)
Mineral
Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Lapis Lazuli
Lapis lazuli (Rock composed primarily of Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Calcite, and Pyrite)
metamorphic
Unakite (or Epidote-rich Granite)
Unakite (Metamorphosed Granite consisting of Epidote, Orthoclase, and Quartz)
metamorphic
Rhodonite
Rhodonite (MnSiO3)
Mineral
Granite
Phaneritic Felsic Igneous Rock (composed of quartz, feldspar, and mica)
igneous