Granite
Felsic intrusive igneous rock
Category
Browse mineral on igneous rock specimens identified by the Rock Identifier community.
Granite
Felsic intrusive igneous rock
Granite
Felsic intrusive igneous rock
Granite
Felsic intrusive igneous rock
Milky Quartz with Country Rock contact
Silicon Dioxide (SiO2) in contact with Metamorphic/Igneous rock
Granite
Phaneritic plutonic rock (SiO2 rich)
Ocean Jasper
Orbicular Jasper / Silicate
Quartz Crystal Cluster on Matrix
Silicon Dioxide (SiO2)
Vein Quartz in Basalt or Mafic Rock
Silicon Dioxide (Quartz veins in volcanic host rock)
Granite
Intrusive Igneous Rock (composed of quartz, alkali feldspar, and plagioclase)
Granite
Phaneritic Igneous Rock (Granite)
Granite
Granite (Phaneritic Igneous Rock)
Granite (Weathered River Rock)
Granite (Phaneritic Igneous Rock)
Granite
Plutonic felsic igneous rock
Epidote with Quartz/Feldspar
Epidote (Ca2(Al, Fe)3(SiO4)3(OH)) with associated minerals in a host rock
Granite
Felsic intrusive igneous rock
Granite
Felsic intrusive igneous rock
Glacial erratic boulder, probably granite or granitic gneiss
Granite–gneiss; mainly quartz, feldspar, and mica
Granite Pebble
Granite
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Granite
Intrusive Igneous Rock (composed of quartz, alkali feldspar, and plagioclase)
Quartz (Smoky/Granular variety)
Silicon Dioxide (SiO2)
Granite
Phaneritic Felsic Igneous Rock
Gabbro or Diorite with Felsic intrusion
Mafic to intermediate intrusive igneous rock with felsic vein/inclusion
Dalmatian Jasper
Aplite with Arfvedsonite inclusions
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Granite
Felsic intrusive igneous rock
Granite
Felsic intrusive igneous rock
Granite with Cupules / Bedrock Mortars
Granite (felsic intrusive plutonic rock)
Likely mica-rich metamorphic rock (schist)
Mica schist, probably biotite–muscovite schist; exact identification requires closer examination
Clear Quartz (Faceted)
Silicon Dioxide (SiO2)
Granite
Granite (Intrusive Igneous Rock)
Banded metamorphic rock, likely gneiss or metasedimentary slate
Quartz–feldspar–mica gneiss (tentative), possibly containing iron-oxide veins
Granite
Phaneritic Felsic Igneous Rock
Obsidian
Volcanic Glass
Black Obsidian
Volcanic glass
Granite
Felsic intrusive igneous rock
Granite
Granite (Phaneritic Igneous Rock)
Red Granite
Intrusive Igneous Rock (Felsic)
Granite
Felsic intrusive igneous rock
Pink Granite
Phaneritic Felsic Igneous Rock
Quartz geode or quartz-bearing rock
Quartz (SiO₂), likely in a chalcedony- or basalt-hosted cavity
Quartz (Orange/Pink variety)
Silicon Dioxide (SiO2)