Iron Meteorite (Individual)
Siderite (composed of Kamacite and Taenite minerals)
igneous
Category
Industrial Byproduct (Often Confused With Igneous Rocks Or Meteorites)
Browse industrial byproduct (often confused with igneous rocks or meteorites) specimens identified by the Rock Identifier community.
Milky Quartz
Crystalline Silicon Dioxide (SiO2)
mineral
Quartz with Mica inclusions (likely Schist or Gneiss host)
Silicon Dioxide (SiO2) with Phyllosilicates (KAl2(AlSi3O10)(OH)2)
metamorphic
Sodalite
Sodalite (Na8Al6Si6O24Cl2)
mineral
Green Aventurine
Aventurine (Silicon dioxide, SiO₂)
Mineral; variety of Quartz
Banded Chalcedony (Agate)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
mineral
Rough Ruby
Corundum (Al2O3 with Chromium impurities)
mineral
Serpentine
Antigorite / Lizardite / Chrysotile (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
metamorphic
Amazonite
K(AlSi3O8) - Potassium Aluminum Silicate (Microcline)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Corundum (Sapphire variant)
Aluminium oxide (Al2O3)
mineral
Red Garnet (likely Almandine)
Almandine (Fe3Al2(SiO4)3)
mineral
Sandstone (specifically an Iron-Concretion)
Arenite with Iron Oxide (Limonite/Goethite) cementation
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
Mineral
Peridot and Citrine Gemstones (in a ring setting)
Peridot (Olivine: (Mg,Fe)2SiO4), Citrine (Quartz: SiO2)
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Chondrite Meteorite
Stony Meteorite (L, H, or LL Chondrite)
igneous
Chondrite Meteorite
L or H Ordinary Chondrite
igneous
Agate Nodule / Weathered Chert
SiO2 (Silicon Dioxide - Microcrystalline Quartz)
Sedimentary / Mineral
Quartzite
Quartzite (SiO2)
metamorphic
Sodalite
Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)
mineral
Chrysocolla in Matrix
Hydrated copper phyllosilicate (Cu,Al)2H2Si2O5(OH)4' nH2O on Quartz/Feldspar matrix
mineral
Iron Meteorite (Campo del Cielo)
Iron Meteorite, Group IAB (FeNi Alloy: Kamacite and Taenite)
igneous
Diorite
Diorite (an intermediate intrusive igneous rock)
igneous
Golden Quartz (Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
mineral
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Peridot
Olivine (Mg,Fe)2SiO4
Mineral
Garnet
Garnet Group (complex nesosilicates with general formula X3Y2(SiO4)3, where X can be Ca, Mg, Fe2+, Mn2+ and Y can be Al, Fe3+, Cr3+, V3+)
Mineral
Tektite (Indochinite)
Tektite (High-silica natural glass)
igneous
White Topaz
Topaz - Al2SiO4(F,OH)2
mineral
Peridot
Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)
mineral
Fluorite (Green)
Fluorite (Calcium Fluoride, CaF2)
mineral
Quartz (specifically Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
mineral
Garnet-Bearing Gneiss
Almandine-Garnet Gneiss
metamorphic
Sapphire (Raw/Rough)
Corundum (Al2O3)
mineral
Sodalite
Na8(Al6Si6O24)Cl2 (Sodium Aluminum Silicate Chloride)
mineral
Meteorite (Chondrite)
Stony Meteorite (Ordinary Chondrite)
igneous
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite
mineral
Zircon
Zirconium Silicate (ZrSiO₄)
mineral
Olivine in Basalt (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4 in Vesicular Basalt
igneous