Orange Quartzite / Carnelian Agate
Silicon Dioxide (SiO2)
metamorphic
Category
Metamorphic Rock (Specifically A Rock Composed Of Minerals)
Browse metamorphic rock (specifically a rock composed of minerals) specimens identified by the Rock Identifier community.
Learn about Metamorphic Rock (Specifically A Rock Composed Of Minerals) in the encyclopedia
View all →
Rounded sandstone pebble
Quartz-rich sandstone; commonly arkose or lithic sandstone
sedimentary
Red Sandstone
Arenite (Fe2O3-rich)
sedimentary
Nuummite
Nuummite (Orthoamphibole rock composed of Anthophyllite and Gedrite, (Mg,Fe)7Si8O22(OH)2)
metamorphic
Quartzite
Quartzite
metamorphic
Sandstone
Arenite (Clastic Sedimentary Rock)
sedimentary
Himalayan Pink Salt
Halite (NaCl) with trace minerals
mineral
Granite (Giallo Ornamental / Venetian Gold)
Granite (composed mainly of Quartz, Feldspar, Biotite, and Garnet)
igneous
Pink Granite
Phaneritic Igneous Rock (high K-Feldspar content)
igneous
Lapis Lazuli
Lapis Lazuli (A metamorphic rock primarily composed of Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
metamorphic
Pink Granite
Phaneritic intrusive igneous rock (Felsic)
igneous
Banded Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)
metamorphic
Sandstone and Conglomerate pebbles
Sedimentary clastic rock
sedimentary
Yellow Quartzite Pebble
Quartzite (SiO2)
metamorphic
Unakite
Altered Granite (Granitic Metamorphic Rock)
metamorphic
Banded Gneiss
Gneiss (high-grade metamorphic silicate rock)
metamorphic
Quartzite
Metamorphic Rock (composed mainly of SiO2)
metamorphic
Quartzite (River Cobble)
Metamorphic Rock (composed predominantly of SiO2)
metamorphic
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)
metamorphic
Pegmatitic Granite
Granite (composed of Quartz, Feldspar, and Mica)
igneous
Quartzite
Quartzite (composed primarily of SiO2)
metamorphic
Quartzite
Quartzite (composed primarily of SiO2)
metamorphic
Quartzite
Quartzite (composed primarily of SiO2)
metamorphic
Schist
Schist
metamorphic
Shale
Fissile mudrock (composed primarily of clay minerals and quartz)
sedimentary
Quartzite
Quartzite (SiO2)
metamorphic
Sandstone (Quartz-rich)
Arenite (composed primarily of SiO2)
sedimentary
Serpentinite
Serpentinite (composed largely of serpentine minerals like antigorite, lizardite, or chrysotile)
metamorphic
Picture Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Bauxite
Bauxite (Al2O3·2H2O)
sedimentary
Gabbro
Phaneritic Mafic Plutonic Rock
igneous
Sandstone (Quartzose Pebble)
Clastic Sedimentary Rock (Litharenite/Quartz arenite)
sedimentary
Marble
Recrystallized Carbonate Rock (CaCO3)
metamorphic
Vesicular Basalt (or Scoria)
Extrusive Igneous Rock (Mafic)
igneous
Granite / Diorite (Granodiorite)
Granodiorite / Quartz Diorite
igneous
Granite
Phaneritic Felsic Igneous Rock
igneous
Schist (specifically Mica Schist)
Mica Schist (primarily composed of Muscovite KAl2(AlSi3O10)(OH)2 and Biotite)
metamorphic
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Sandstone (likely Arkosic or Lithic Sandstone)
Clastic Sedimentary Rock (SiO2 with assorted minerals)
sedimentary
Sandstone
Arenite (primarily SiO2)
sedimentary