Rock Identifier

Category

Mineral In Igneous Rock

Browse mineral in igneous rock specimens identified by the Rock Identifier community.

Gneiss (Gneiss (High-grade Metamorphic Rock)) — metamorphic

Gneiss

Gneiss (High-grade Metamorphic Rock)

Quartz (Iron-Stained Quartz Pebble) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-Stained Quartz Pebble)

Silicon Dioxide (SiO2)

Dalmatian Stone (Dalmatian Jasper (Aplitic Perthite)) — igneous

Dalmatian Stone

Dalmatian Jasper (Aplitic Perthite)

André Landed Here Rock (Glacial Erratic) (Granodiorite / Diorite (compositional estimate)) — igneous

André Landed Here Rock (Glacial Erratic)

Granodiorite / Diorite (compositional estimate)

Granite (Granite) — Igneous

Granite

Granite

Quartz (Quartz (SiO₂ - Silicon Dioxide)) — Mineral

Quartz

Quartz (SiO₂ - Silicon Dioxide)

Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Vesicular Basalt (Vesicular Basalt (Aphanitic Mafic Rock)) — igneous

Vesicular Basalt

Vesicular Basalt (Aphanitic Mafic Rock)

Quartz Vein in Host Rock (Gabbro or Basalt) (Silicon Dioxide (SiO2) with Mafic Silicates) — metamorphic/igneous

Quartz Vein in Host Rock (Gabbro or Basalt)

Silicon Dioxide (SiO2) with Mafic Silicates

metamorphic/igneous

Graphic Granite (Zebra Rock) (Pegmatitic Granite (composed of Quartz and K-Feldspar)) — igneous

Graphic Granite (Zebra Rock)

Pegmatitic Granite (composed of Quartz and K-Feldspar)

Obsidian (Volcanic glass (high silica volcanic rock)) — igneous

Obsidian

Volcanic glass (high silica volcanic rock)

Wishing Rock (Quartz Vein in Host Rock) (Silicon dioxide (SiO2) vein in various host rocks) — Igneous/Sedimentary/Metamorphic with Mineral Vein

Wishing Rock (Quartz Vein in Host Rock)

Silicon dioxide (SiO2) vein in various host rocks

Igneous/Sedimentary/Metamorphic with Mineral Vein

Amethyst (Silicon Dioxide with Iron impurities (SiO2)) — mineral

Amethyst

Silicon Dioxide with Iron impurities (SiO2)

Quartz (Quartz (SiO₂)) — Mineral

Quartz

Quartz (SiO₂)

Gneiss (specifically a weathered or stream-worn specimen) (Gneiss (Foliated Metamorphic Rock)) — metamorphic

Gneiss (specifically a weathered or stream-worn specimen)

Gneiss (Foliated Metamorphic Rock)

Basalt (Basalt) — igneous

Basalt

Basalt

Greenstone (Epidote/Chlorite-rich Metabasalt) (Greenschist / Epidosite (Ca2(Al,Fe)3(SiO4)3(OH))) — metamorphic

Greenstone (Epidote/Chlorite-rich Metabasalt)

Greenschist / Epidosite (Ca2(Al,Fe)3(SiO4)3(OH))

Granite (likely a river or beach pebble) (Granite (a felsic intrusive igneous rock primarily composed of quartz, feldspar, and mica)) — Igneous

Granite (likely a river or beach pebble)

Granite (a felsic intrusive igneous rock primarily composed of quartz, feldspar, and mica)

River Quartz (Milky and Smoky mix) (Silicon Dioxide (SiO2)) — mineral

River Quartz (Milky and Smoky mix)

Silicon Dioxide (SiO2)

Green Fluorite (Fluorite (Calcium Fluoride - CaF2)) — mineral

Green Fluorite

Fluorite (Calcium Fluoride - CaF2)

Bornite (Peacock Ore) (Bornite (Cu5FeS4)) — mineral

Bornite (Peacock Ore)

Bornite (Cu5FeS4)

Sandstone with Liesegang Rings (Arenite with Iron Oxide Liesegang Banding) — sedimentary

Sandstone with Liesegang Rings

Arenite with Iron Oxide Liesegang Banding

Amygdaloidal Basalt (Vesicular Basalt with secondary mineral infilling (commonly Zeolites, Calcite, or Quartz)) — igneous

Amygdaloidal Basalt

Vesicular Basalt with secondary mineral infilling (commonly Zeolites, Calcite, or Quartz)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Granite (Phaneritic Plutonic Rock (primarily Quartz, Feldspar, and Mica/Amphibole)) — igneous

Granite

Phaneritic Plutonic Rock (primarily Quartz, Feldspar, and Mica/Amphibole)

Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

Quartz

Quartz (Silicon Dioxide, SiO2)

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Amygdaloidal Basalt (Amygdaloidal Basalt (containing secondary minerals like Quartz, Zeolites, or Calcite)) — igneous

Amygdaloidal Basalt

Amygdaloidal Basalt (containing secondary minerals like Quartz, Zeolites, or Calcite)

Carnelian (Carnelian (SiO2, Silicon Dioxide with Iron Oxide impurities)) — mineral

Carnelian

Carnelian (SiO2, Silicon Dioxide with Iron Oxide impurities)

Amethyst (SiO2 (Silicon Dioxide with Iron impurities)) — mineral

Amethyst

SiO2 (Silicon Dioxide with Iron impurities)

Granodiorite (Granodiorite (containing Plagioclase, Quartz, and K-feldspar)) — igneous

Granodiorite

Granodiorite (containing Plagioclase, Quartz, and K-feldspar)

Granite (Granite (a common rock type, not a single mineral species)) — Igneous

Granite

Granite (a common rock type, not a single mineral species)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Milky Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Magnetite (potentially as a Lodestone or within Ironstone) (Magnetite (Fe3O4)) — mineral

Magnetite (potentially as a Lodestone or within Ironstone)

Magnetite (Fe3O4)

Granite Cobble / Rounded Granite River Rock (Granite) — Igneous

Granite Cobble / Rounded Granite River Rock

Granite

Quartz (Silicon Dioxide (SiO2)) — Mineral

Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Granite (Phaneritic Plutonic Felsic Rock) — igneous

Granite

Phaneritic Plutonic Felsic Rock

Schist (Crystalline Metamorphic Rock (Schistose)) — metamorphic

Schist

Crystalline Metamorphic Rock (Schistose)

Yellow Calcite (Calcium Carbonate (CaCO3)) — mineral

Yellow Calcite

Calcium Carbonate (CaCO3)