Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Category
Browse mineral (evaporite) specimens identified by the Rock Identifier community.
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Quartz / Quartzite
Silicon Dioxide (SiO2)
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Jasper (Iron-stained Quartzite/Chert)
Silicon Dioxide (SiO2) with iron oxide inclusions
Obsidian
Obsidian (Volcanic Glass, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Fluorite
Calcium Fluoride (CaF2)
Pearl (nacre)
Calcium Carbonate (mostly CaCO3 as Aragonite) and Conchiolin
Milky Quartz
Silicon Dioxide (SiO2)
Quartz pebble
Silicon dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Blue Calcite
Calcium Carbonate (CaCO3)
Fossilized Shark Tooth (Sand Tiger)
Carcharias sp. (Fossilized Tooth)
Fossilized Horse Tooth
Equus ferus caballus (fossilized molar/premolar)
Granite
Granite
Sedimentary rock with quartz veining
Laminated siltstone or mudstone with hydrothermal quartz veins
Tiger Shark Fossil Tooth
Galeocerdo cuvier (fossilized)
Megalodon Shark Tooth Fossil
Otodus megalodon
Fuchsite Gneiss or Schist
Muscovite (variety Fuchsite) within Metamorphic Host Rock
Aggregate Concrete
Anthropogenic Conglomerate (Technosol)
Vesicular Basalt (or Scoria)
Vesicular Basalt (Aphanitic-vesicular volcanic rock)
Granitic Pegmatite with Tourmaline/Chlorite
Pegmatite
Greenstone
Greenschist-facies basaltic rock
Botryoidal Hemimorphite
Hemimorphite (Zn4Si2O7(OH)2·H2O)
Fossilized Sand Tiger Shark Tooth
Carcharias taurus / Striatolamia macrota (mineralized as Hydroxylapatite/Francolite)
Schist
Mica Schist (primarily consisting of muscovite, biotite, and quartz)
Rutilated Quartz
Silicon Dioxide with Titanium Dioxide (SiO2 with TiO2 inclusions)
Vuggy Quartz on Matrix
Crystalline Silicon Dioxide (SiO2)
Amygdaloidal Basalt
Amygdaloidal Basalt
Greenstone
Greenschist (metamorphosed mafic igneous rock)
Garnet Schist
Almandine Garnet Schist (Fe3Al2(SiO4)3 in Schistose matrix)
Quartz (Milky/Clear)
Silicon Dioxide (SiO2)
Garnet-Bearing Gneiss
Almandine-Garnet Gneiss
Feldspar (Orthoclase)
Potassium Alveolar Silicate (KAlSi3O8)
Vesicular Basalt with Secondary Mineral Inclusions
Aphanitic Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
Milky Quartz
Silicon Dioxide (SiO2)
Limonite (Pseudomorph after Pyrite/Marcasite)
Hydrated Iron Oxide (FeO(OH)·nH2O)
Diamond
Diamond (pure Carbon, C)
Diamond
Diamond (C)
Quartz (Rose/Pink variety)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)