Dendritic Agate
Silicon Dioxide with Manganese/Iron oxide inclusions (SiO2)
mineral
Category
Mineral (Synthetic Paper And Ink Polymorph)
Browse mineral (synthetic paper and ink polymorph) specimens identified by the Rock Identifier community.
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Angel Aura Quartz (Treated Clear Quartz)
Silicon Dioxide (SiO2) coated with Vaporized Silver and Platinum
mineral
Quartz Pebble (Chalcedony/Agate variety)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Moss Agate with Jasper
Chalcedony (SiO2 with inclusions)
mineral
Dyed Dragon Vein Agate
Silicon Dioxide (SiO2) with artificial pigment
mineral
Agate (or Chalcedony)
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
mineral
Yellow Aventurine
Quartz (SiO2) with inclusions
mineral
Titanium Aura Quartz
Titanium bonded Silicon Dioxide (SiO2 + Ti)
mineral
Moonstone (Adularia)
Potassium aluminum silicate (KAlSi3O8)
mineral
Freshwater Pearl
Aragonite / Biogenic Calcium Carbonate (CaCO3)
mineral
Ocean Jasper
Spherulitic Chalcedony (SiO2)
mineral
Amazonite
K(AlSi3O8), Microcline (potassium feldspar)
mineral
Gold in Quartz
Hydrothermal Quartz with Native Gold (SiO2 with Au)
mineral
Schist
Schist (Foliated Metamorphic Rock)
metamorphic
Basalt with Iron Oxide staining
Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
igneous
Tangerine Quartz
Silicon Dioxide with Hematite inclusions (SiO2 + Fe2O3)
mineral
Halite
Halite (NaCl)
mineral
Green Fluorite
Calcium Fluoride (CaF2)
mineral
Magnetite
Iron(II,III) oxide (Fe3O4)
mineral
Quartz (Small Grains)
Silicon Dioxide (SiO2)
mineral
Quartz with impurities or Host Rock
SiO2 (Silicon Dioxide) with mixed silicates
mineral
Quartz (Small Fragment)
Silicon Dioxide (SiO2)
mineral
Granite
Intrusive Igneous Rock
igneous
Granite Pebble
Intrusive Igneous Rock
igneous
Gabbro
Plagioclase-pyroxene intrusive igneous rock
igneous
Granite
Intrusive igneous rock composed mainly of quartz, alkali feldspar, and plagioclase
igneous
Granite
Phaneritic Felsic Intrusive Igneous Rock
igneous
Vesicular Basalt with Xenocrysts
Mafic Igneous Plutonic/Extrusive Complex
igneous
Caribbean Calcite
Aragonite and Calcite (CaCO3)
mineral
Amazonite
Microcline (Amazonite variety), KAlSi3O8
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Moss Agate
Silicon Dioxide (Chalcedony variety) with green hornblende or chlorite inclusions - SiO2
gemstone
Labradorite
(Ca,Na)(Al,Si)4O8 (Sodic-calcic plagioclase feldspar)
mineral
Likely obsidian (possibly tektite or slag glass)
Volcanic glass; primarily SiO₂, noncrystalline
igneous
Fulonite (Fulgurite-like)
Fulgurite (SiO2 fused silica/lechatelierite)
Metamorphic (Pseudo-igneous)
Chrysocolla
Hydrated copper silicate (Cu,Al)2H2Si2O5(OH)4·nH2O
mineral
Goethite/Limonite Iron Ore Node
Goethite (FeO(OH)) or Limonite (mixture of hydrated iron oxides)
mineral
Chrysocolla
Hydrated copper silicate (Cu,Al)2H2Si2O5(OH)4·nH2O
mineral
Turquoise
Hydrated phosphate of copper and aluminium, CuAl6(PO4)4(OH)8·4H2O
mineral