Quartzite
Quartzite (composed primarily of SiO2)
metamorphic
Category
Metamorphic Rock (Composed Of Multiple Minerals)
Browse metamorphic rock (composed of multiple minerals) specimens identified by the Rock Identifier community.
Learn about Metamorphic Rock (Composed Of Multiple Minerals) in the encyclopedia
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Quartzite Cobble
Quartzite (primarily SiO2)
metamorphic
Basalt
Extrusive Igneous Rock
igneous
Sandstone
Arenite (Siliclastic sedimentary rock), SiO2 + various minerals
sedimentary
Quartzite
Quartzite (composed primarily of SiO2)
metamorphic
Quartz Vein in Metamorphic Rock
Quartz-veined Schist or Gneiss
metamorphic
Sandstone
Clastic Sedimentary Rock
sedimentary
Eclogite
Eclogite (composed primarily of Omphacite and Garnet)
metamorphic
River Stone (composed of Siltstone/Basalt mixture)
Siltstone or microcrystalline Basalt pebble
sedimentary
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4)
metamorphic
Mica-rich metamorphic rock, likely schist
Muscovite–biotite schist, possibly with quartz and feldspar
metamorphic
Quartzite
Quartzite (SiO2 silicon dioxide)
metamorphic
Quartzite Cobble
Metamorphic rock primarily composed of Quartz (SiO2)
metamorphic
Mica Schist
Mica Schist (primarily Muscovite or Biotite sheet silicates)
metamorphic
Quartzite
Quartzite (Metamorphic rock primarily composed of SiO2)
metamorphic
Quartzite
Metamorphic rock composed primarily of quartz (SiO2)
metamorphic
Quartzite Pebble
Metamorphic rock predominantly composed of Quartz (SiO2)
metamorphic
Quartzite Pebble
Metamorphic rock primarily composed of Quartz (SiO2)
metamorphic
Quartzite
Metamorphic rock primarily composed of Quartz (SiO2)
metamorphic
Quartzite
Metamorphic rock primarily composed of Quartz (SiO2)
metamorphic
Quartzite Pebble
Metamorphic rock predominantly composed of Quartz (SiO2)
metamorphic
Quartzite
Metamorphic rock primarily composed of Quartz (SiO2)
metamorphic
Soapstone (Talc Steatite) Carving
Steatite (Hydrous magnesium silicate, Mg3Si4O10(OH)2)
metamorphic
Granite
Felsic Intrusive Igneous Rock
igneous
Sandstone
Sedimentary Rock (Quartz arenite/Arkose)
sedimentary
Septarian Nodule
Septaria (composed of Calcite, Aragonite, and Limestone)
sedimentary
Red Scoria (Volcanic Cinder)
Scoria (Extrusive Mafic Igneous Rock)
igneous
Quartzite
Quartzite (composed primarily of SiO2)
metamorphic
Serpentinite
Serpentinite (composed primarily of minerals in the serpentine group: (Mg,Fe)3Si2O5(OH)4)
metamorphic
Schist
Mica Schist (primarily composed of quartz, feldspar, and mica)
metamorphic
Red Sandstone
Arenite (SiO2 with Fe2O3)
sedimentary
Fancy Jasper (Butterfly Carving)
Silicon Dioxide (SiO2) with iron and manganese inclusions
sedimentary
Granite (Giallo Ornamental / Venetian Gold)
Granite (composed mainly of Quartz, Feldspar, Biotite, and Garnet)
igneous
Granite
Granite (Felsic Plutonic Rock)
igneous
Weathered granitic rock fragments
Granite, likely quartz–feldspar–mica aggregate
igneous
Fossil Shell
Invertebrate fossil (Mollusca)
fossil
Quartz with Mica/Host Rock
Silicon Dioxide (SiO2) with Phyllosilicates
mineral
Banded gneiss pebble
Foliated gneiss, typically quartz–feldspar–mica bearing
metamorphic
Sandstone
Arenite (primarily SiO2)
sedimentary
Chert / Jasper
Sedimentary Cryptocrystalline Quartz (SiO2)
sedimentary
Granitic Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Serpentine Jade (New Jade/Olive Jade)
Serpentinite (a rock composed primarily of serpentine minerals) / Mg3Si2O5(OH)4 for Antigorite and Lizardite
Mineral