Quartz Pebble (Sea Glass-like Quartz)
Quartz (Silicon Dioxide - SiO2)
mineral
Category
Mineral Like Byproduct (Often Mistaken For Igneous Rock Or Meteorite)
Browse mineral like byproduct (often mistaken for igneous rock or meteorite) specimens identified by the Rock Identifier community.
Learn about Mineral Like Byproduct (Often Mistaken For Igneous Rock Or Meteorite) in the encyclopedia
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Lunar Highlands Breccia (Meteorite)
Lunar Feldspathic Breccia
igneous
Martian Meteorite (Black Beauty)
NWA 7034 (Northwest Africa 7034)
igneous
Variscite in Matrix (often traded as Wardite or Cryptocrystalline Variscite)
Variscite (AlPO4·2H2O)
mineral
Chrysocolla in Quartz (Gem Silica)
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla) / SiO2 (Quartz)
mineral
Quartz (Iron-Stained)
Silicon Dioxide (SiO2)
mineral
Iron Meteorite Fragment
Siderite (Geological term for iron meteorite class - Fe/Ni alloy)
igneous
Tektite (Indochinite)
Tektite (High-silica amorphous glass)
igneous
Sandstone Concretion
Limonitic Sandstone Concretion
sedimentary
Chert Nodule / Ironstone Concretion
Microcrystalline Quartz (SiO2) with Iron Oxides
sedimentary
Quartz / Quartzite
Quartzite (primarily Silicon Dioxide, SiO2)
metamorphic
Tektite (Indochinite)
Tektite (Natural silica glass)
igneous
Specular Hematite (Specularite) in Matrix
Specularite (Fe2O3)
mineral
Black Diamond (Carbonado)
Carbonado (Polycrystalline Diamond)
gemstone
Siltstone Pebble
Siltstone (composed of siliciclastic grains)
sedimentary
Dumortierite Quartz
Dumortierite-bearing Quartz (SiO2 with Al7BO3(SiO4)3O3)
mineral
Arsenopyrite with Schist Matrix
Arsenopyrite (FeAsS)
mineral
Quartzite
Quartzite
metamorphic
Diorite
Diorite
igneous
Sandstone Concretion
Moqui Marble / Ironstone Concretion (Iron oxide-cemented sandstone)
sedimentary
Quartzite
Quartzite (SiO2)
metamorphic
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Unakite (bottom) and Sodalite (top)
Epidotized Granite (Unakite) and Sodium Aluminum Silicate Chloride (Sodalite)
metamorphic
Pyrite in Matrix
Iron Sulfide (FeS2)
mineral
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
mineral
Amethyst and Peridot
Amethyst (SiO2 with iron impurities) and Peridot ((Mg, Fe)2SiO4)
mineral
Scoria (Lava Rock)
Scoria
igneous
Olivine in Basalt matrix
Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)
igneous
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Pyrite in Quartzite/Graphite Matrix
Iron Sulfide (FeS2)
Mineral
Sodalite
Sodalite, Na8(Al6Si6O24)Cl2
mineral
Tektite (Indochinite)
Tektite (High-silica natural glass)
igneous
Iron Meteorite
Siderite (Iron-Nickel Alloy)
meteorite
Weathered iron-rich rock, possibly meteorite
Uncertain; likely goethite/hematite-rich material, with meteorite possibility
mineral
Granite with Pyrite Inclusion
Granite (felsic intrusive igneous rock) with Iron Sulfide (FeS2)
igneous
Yellow Quartz (Citrine/Yellow Jasper)
Silicon Dioxide (SiO2)
mineral
Iron Meteorite (likely an Individual specimen)
Iron Meteorite (Group IAB, IIAB, IIIAB, etc., Fe-Ni alloy)
igneous
Green Aventurine
Quartz with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Siltstone Pebble
Siltstone (fine-grained siliciclastic sedimentary rock)
sedimentary
Olivine
Olivine group (Mg, Fe)2SiO4
mineral