Granite
Phaneritic Felsic Igneous Rock
igneous
Category
Igneous And Mineral
Browse igneous and mineral specimens identified by the Rock Identifier community.
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Magnetite-rich Basalt
Basalt containing Fe3O4
igneous
Mahogany Obsidian
Obsidian with Hematite inclusions (SiO2 + Fe2O3)
igneous
Diorite (River Cobble)
Intrusive Igneous Diorite
igneous
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Graphic Granite (or Pegmatite)
Graphic Granite
igneous
Granite
Granite
Igneous
Granite
Phaneritic Felsic Igneous Rock
igneous
Quartz with impurities or Host Rock
SiO2 (Silicon Dioxide) with mixed silicates
mineral
Gneissic Schist
Gneiss-schist (Metamorphic rock)
metamorphic
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
mineral
Dalmatian Stone
Peralkaline rhyolite with arfvedsonite inclusions
igneous
Greenschist
Chlorite schist
metamorphic
Gabbro
Gabbro
igneous
Gneiss
Foliated Metamorphic Rock
metamorphic
Vesicular Basalt (Amygdaloidal)
Amygdaloidal Basalt
igneous
Fluorite
Calcium Fluoride (CaF2)
mineral
Greenstone (Metabaltic/Greenschist)
Chlorite schist / Meta-basalt
metamorphic
Diorite
Intrusive Igneous Diorite
igneous
Banded Gneiss
Banded Gneiss (Metamorphic Rock)
metamorphic
Granite
Granite (Plutonic Igneous Rock)
igneous
Granite
Phaneritic Igneous Rock (Granite)
igneous
Granite
Phaneritic intrusive igneous rock
igneous
Lapis Lazuli
Na6Ca2(Al6Si6O24)(S,SO4,Cl)1-2 (primarily containing Lazurite with inclusions of Calcite and Pyrite)
metamorphic
Granite
Granite (Phaneritic Igneous Rock)
igneous
Granite
Phaneritic Igneous Rock (Granite)
igneous
Granite (Weathered River Rock)
Granite (Phaneritic Igneous Rock)
igneous
Granite
Plutonic felsic igneous rock
igneous
Basalt River Pebble (with possible Pyrite/Mineralization)
Basalt (Mafic volcanic rock)
igneous
Dalmatian Stone (often misnamed Dalmatian Jasper)
Aplite (with hornblende/arfvedsonite inclusions)
igneous
Quartz / Calcite Vein Rock
Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3)
mineral
Pegmatite
Granitic Pegmatite
igneous
Snowflake Obsidian
Volcanic glass containing Spherulite inclusions (primarily Cristobalite, SiO2)
igneous
Moonstone
Orthoclase (KAlSi3O8) or Oligoclase with adularescence
gemstone
Hematite
Iron(III) oxide (Fe2O3)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
mineral
Yellow Quartz (Citrine or Quartzite Pebble)
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Amygdaloidal Basalt
Vesicular Basalt with secondary mineral infilling (commonly Zeolites, Calcite, or Quartz)
igneous
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral