Red Sandstone
Arenite (SiO2 with Fe2O3)
sedimentary
Category
Mineral Composite
Browse mineral composite specimens identified by the Rock Identifier community.
Learn about Mineral Composite in the encyclopedia
View all →
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily Quartz, SiO2)
sedimentary
Sandstone (Ferruginous)
Arenite (with Iron Oxides)
sedimentary
Turquoise
Hydrated phosphate of copper and aluminum - CuAl6(PO4)4(OH)8·4H2O
mineral
Turquoise
Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O
mineral
Azurite
Azurite (Cu3(CO3)2(OH)2)
mineral
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lithium-bearing Phyllosilicate)
mineral
Limonitic Sandstone (Stained Sandstone)
Clastic Sedimentary Rock with Iron Oxide (Limonite/Goethite) staining
sedimentary
Coprolite
Fossilized Feces
sedimentary
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily Quartz, SiO2)
sedimentary
Red Sandstone (Hematitic)
Clastic sedimentary rock (SiO2 with Fe2O3 inclusions)
sedimentary
Sandstone (Ferruginous)
Arenite (with Goethite/Limonite cement)
sedimentary
Orthoclase (Potassium Feldspar)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Petrified Wood
Silicified wood (Quartz, SiO2)
metamorphic
Native Copper
Native Copper (Cu)
mineral
Quartz Geode (Nodule)
Silicon Dioxide (SiO2)
sedimentary or igneous
Sandstone with Concretions / Liesegang Rings
Arenite with iron oxide banding
sedimentary
Sandstone
Arenite
sedimentary
Sandstone
Arenite (Quartz Sandstone)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Botryoidal Chalcedony with Calcite
Chalcedony (SiO2 with accessory minerals, likely CaCO3)
Mineral
Granite
Intrusive Igneous Rock
igneous
Gneiss
High-grade metamorphic rock (Gneiss)
metamorphic
Galena
Lead Sulfide (PbS)
mineral
Petrified Wood
Silicified Wood (Silicon Dioxide - SiO2)
fossil
Barite Rose (Desert Rose)
Barium Sulfate (BaSO4)
mineral
Granite
Granite
igneous
Yellow Fluorite
Calcium Fluoride (CaF2)
mineral
Granite
Granite (Phaneritic Igneous Rock)
igneous
Granite
Intrusive Igneous Rock (composed primarily of quartz, alkali feldspar, and plagioclase)
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive igneous rock composed mainly of quartz, alkali feldspar, and plagioclase
igneous
Granite
Intrusive Igneous Rock
igneous
Granite Pebble
Intrusive Igneous Rock
igneous
Tumbled Quartz
Silicon Dioxide (SiO2)
mineral
Granite
Intrusive Igneous Rock
igneous
Granite
Felsic intrusive igneous rock
igneous
Granite
Felsic intrusive igneous rock
igneous
Granite
Phaneritic Felsic Igneous Rock
igneous