Granite
Felsic intrusive igneous rock
igneous
Category
Man Made Rock (Technosol)
Browse man made rock (technosol) specimens identified by the Rock Identifier community.
Learn about Man Made Rock (Technosol) in the encyclopedia
View all →
Granite
Intrusive Igneous Rock (composed mainly of quartz, alkali feldspar, and plagioclase)
igneous
Granite
Intrusive Igneous Rock
igneous
Basalt
Extrusive Igneous Rock
igneous
Sandstone
Arenite (SiO2 dominant)
sedimentary
Mica Schist
Mica Schist (primarily Muscovite or Biotite sheet silicates)
metamorphic
Vesicular Basalt (Lava Rock)
Basalt
igneous
Granodiorite
Granodiorite (Intermediate intrusive igneous rock)
igneous
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
metamorphic
Basalt
Vesicular Basalt
igneous
Basalt with Vesicles
Vesicular Basalt (comprising Plagioclase Feldspar, Pyroxene, and Olivine)
igneous
Basalt
Basalt (composition predominately Plagioclase feldspar and Pyroxene)
igneous
Shale (or Mudstone)
Laminose Mudrock (composition: clay minerals, quartz, and mica flakes)
sedimentary
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within metamorphic/igneous matrix
igneous/metamorphic
Mixed Rock Collection (Pebbles and Stones)
Various geological specimens
igneous, sedimentary, and metamorphic
Ruby in Zoisite
Anyolite (composite of Corundum and Zoisite)
metamorphic
Basalt
Extrusive igneous rock
igneous
Basalt
Extrusive Igneous Rock
igneous
Basalt
Extrusive Igneous Rock
igneous
Basalt
Extrusive Igneous Rock
igneous
Basalt
Mafic extrusive igneous rock
igneous
Metaconglomerate
Metaconglomerate (Quartzite conglomerate)
metamorphic
Dalmatian Jasper
Peralkaline Quartz-Feldspar Rock with Arfvedsonite
igneous
Garnet Schist
Almandine Garnet-bearing Mica Schist
metamorphic
Granite
Intrusive Igneous Rock (composed primarily of quartz, alkali feldspar, and plagioclase)
igneous
Druzy Quartz on Limestone
Silicon Dioxide (SiO2) on Calcium Carbonate (CaCO3)
sedimentary
Basalt with Xenolith
Extrusive Igneous Rock containing Mantle Xenolith
igneous
Chert (Jasper/Flint Pebble)
Microcrystalline quartz (SiO2)
sedimentary
Granite-like igneous rock
Likely medium-grained granite or granodiorite; quartz–feldspar–mica aggregate
igneous
Sandstone (Painted)
Arenite (primarily SiO2)
sedimentary
Vesicular Basalt
Extrusive mafic igneous rock
igneous
Serpentine (Serpentinite)
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
metamorphic
Basalt
Basalt (Mafic Extrusive Igneous Rock)
igneous
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Red Sandstone
Arenite (Ferruginous Sandstone)
sedimentary
Rock Specimen
Unclassified rock specimen
sedimentary
Quartz-rich gravel fragment
Quartz (silicon dioxide, SiO₂), possibly with feldspar or carbonate inclusions
mineral
Quartzite Pebble with Feldspar Vein
Quartzite (SiO2) with Feldspar (KAlSi3O8)
metamorphic
Schist (likely Mica Schist)
Mica Schist
metamorphic
Yellow Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Beach Pebble (Basalt/Porphyry)
Weathered Basalt or Porphyry
igneous
Quartz pebble with calcite
Silicon dioxide (SiO2) with Calcium carbonate (CaCO3)
sedimentary