Pink Granite
Granite (Phaneritic Acidic Igneous)
igneous
Category
Igneous Rock
Browse igneous rock specimens identified by the Rock Identifier community.
Learn about Igneous Rock in the encyclopedia
View all →
Basalt Pebble
Aphanitic Mafic Volcanic Rock (Basalt)
igneous
Basalt River Stone
Basalt
igneous
Granitoid (River Pebble)
Granite (primarily Quartz, Feldspar, and Mica)
igneous
Basalt (potential Glacial Erratic)
Extrusive Mafic Volcanic Rock (Basalt)
igneous
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Basalt (River Stone)
Basalt
igneous
Basalt River Stone
Basalt (Mafic volcanic rock)
igneous
Basalt
Basalt (Mafic Volcanic Rock)
igneous
Granite
Granite (Felsic Plutonic Rock)
igneous
Basalt
Basalt (extrusive volcanic rock)
igneous
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Labradorite (a variety of Feldspar)
Labradorite; (Na,Ca)(Al,Si)4O8 (a plagioclase feldspar)
igneous
Vesicular Basalt
Basalt (principally Plagioclase and Pyroxene)
igneous
Banded Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Basalt (River Rock Cobble)
Extrusive mafic volcanic rock (Basalt)
igneous
Vesicular Basalt (Lava Rock)
Scoriaceous Basalt
igneous
Scoria (Lava Rock)
Scoria (extrusive volcanic rock)
igneous
Scoria (Lava Rock)
Scoria (extrusive volcanic rock)
igneous
Scoria (Lava Rock)
Scoria (Mafic volcanic rock)
igneous
Quartz on Host Rock
Silicon Dioxide (SiO2)
mineral
Vesicular Basalt (Iron-rich)
Scoriaceous Basalt
igneous
Amethyst (Rough)
Silicon Dioxide with iron impurities (SiO2)
mineral
Granitoid (Granite/Gneiss mix)
Granite or Granitic Gneiss (Silicon dioxide SiO2 with Al, K, Na silicates)
igneous/metamorphic
Unakite
Epidotized Granite
metamorphic
Granodiorite Pebble
Granodiorite
igneous
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
mineral
Granite
Granite (Felsic Plutonic Rock)
igneous
Granite
Granite (Felsic Plutonic Rock)
Igneous
Chondrite Meteorite
Ordinary Chondrite (L or H Group)
igneous
Olivine Peridotite
Peridotite (comprising Olivine (Mg,Fe)2SiO4 and Pyroxene)
igneous
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Moss Agate
Chalcedony (Silicon Dioxide) with dendritic inclusions (SiO2)
mineral
Gneiss
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Granitic Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Emerald in Matrix
Beryl (Be3Al2Si6O18)
mineral
Clear/White Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss
metamorphic
Green Opal
Hydrated Silica (SiO2·nH2O)
mineraloid
Biotite Schist
Biotite Schist (K(Mg,Fe)3AlSi3O10(OH,F)2)
metamorphic