Basalt
Mafic Igneous Rock
igneous
Category
Sedimentary And Igneous
Browse sedimentary and igneous specimens identified by the Rock Identifier community.
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Diorite
Intrusive Igneous Diorite
igneous
Basalt
Mafic Igneous Rock
igneous
Basalt
Mafic Igneous Rock
igneous
Diorite
Intrusive Igneous Diorite
igneous
Basalt River Stone
Basaltic Igneous Rock
igneous
Quartz (Pegmatitic Quartz with Feldspar)
SiO2 (Silicon Dioxide)
mineral
Epidote-bearing Rock
Epidote / Silicate mineral aggregate
metamorphic
Ruby
Corundum (Al2O3 with chromium trace elements)
gemstone
Black Obsidian
Volcanic Glass (SiO2 with impurities)
igneous
Rose Quartz
SiO2 (Silicon Dioxide with trace Titanium, Iron, or Manganese)
mineral
Agate
SiO2
mineral
Diorite (Salt and Pepper Rock)
Diorite
igneous
Granite
Felsic intrusive igneous rock
igneous
Granite
Phaneritic Felsic Igneous Rock
igneous
Rhyolite (Leopard Skin Jasper)
Rhyolite (Silicon Dioxide with impurities)
igneous
Granite
Phaneritic Felsic Igneous Rock
igneous
Granite
Granite (phaneitic intrusive igneous rock)
igneous
Quartz in Basalt (Xenocryst)
Silicon Dioxide (SiO2) in Mafic Igneous Volcanic Rock
Igneous
Granite Pebble
Granite (composed primarily of Quartz SiO2, Feldspar KAlSi3O8, and Biotite/Hornblende)
igneous
Granite
Granite (Phaneritic Igneous Rock)
igneous
Granite
Felsic Plutonic Rock (Granite)
igneous
Granite
Granite
igneous
Quartz Vein in Granite Pebble
Granitic rock with Quartz (SiO2) vein intrusion
igneous
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
Mineral
Sedimentary Rock Fragments
Clastic Sedimentary Rock
sedimentary
Pegmatite (Granitic Pegmatite with Quartz, Feldspar, and Mica)
Granitic Pegmatite
igneous
Hypersthene
Hypersthene ((Mg,Fe)SiO₃)
Mineral
Magnetite
Magnetite (Fe3O4)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Granite
Granite (Phaneritic Quartz-Feldspar Intrusive)
igneous
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Diorite
Diorite (plagioclase-rich phaneritic rock)
igneous
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide (Limonite/Hematite)
mineral
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Basalt
Basalt (Mafic volcanic rock)
igneous
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Sandstone (Ferruginous)
Arenite (with Iron Oxide cement)
sedimentary