Quartz
Silicon Dioxide (SiO2)
mineral
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.
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Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Tumbled Lapis Lazuli
Lapis Lazuli (Rock containing Lazurite, Calcite, and Pyrite)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Green Fluorite
Calcium Fluoride (CaF2)
mineral
Golden Calcite
Calcium Carbonate (CaCO3)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Jasper with Epidote
Silicon Dioxide (SiO2) with Calcium Aluminum Iron Silicate Hydrate
sedimentary
Chromite
Chromite (FeCr2O4)
mineral
Mica (Lepidolite or Muscovite)
Phyllosilicate mineral (KAl2(AlSi3O10)(OH)2 for Muscovite)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Sunstone
Oligoclase (Plagioclase Feldspar), (Na,Ca)(Si,Al)4O8
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Labradorite (Gray Feldspar)
(Ca, Na)(Al, Si)4O8
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Labradorite
Labradorite ((Ca, Na)(Al, Si)4O8)
mineral
Green Opal
Opal (Hydrated silica, SiO2·nH2O)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Botryoidal Chalcedony
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss
metamorphic
Agate
Cryptocrystalline Quartz (SiO2)
mineral
Limestone (containing Fossil Mold)
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Labradorite
Labradorite ((Ca, Na)(Al, Si)4O8)
mineral
Greenstone / Graywacke
Metagraywacke or Chlorite Schist
metamorphic
Aquamarine
Beryl (Be3Al2Si6O18 with iron impurities)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Epidote
Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
mineral
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
mineral
Gneiss (specifically a weathered Amphibolite or Garnet Gneiss)
Gneiss (complex silicate composition)
metamorphic
Green Mica Schist
Mica Schist (Fuchsite or Chlorite variety)
metamorphic