Quartzite
Quartzite (primarily Silicon Dioxide, SiO2)
metamorphic
Category
Sedimentary Rock (Possibly A Conglomerate Or Coarse Grained Sandstone)
Browse sedimentary rock (possibly a conglomerate or coarse grained sandstone) specimens identified by the Rock Identifier community.
Yellow Quartzite
Quartzite (SiO2 with iron oxide inclusions)
metamorphic
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Sandstone (with potentially metamorphic or basaltic bands)
Arenite / Lithic Wacke
sedimentary
Quartzite
Quartzite (primarily SiO2)
metamorphic
Moqui Marble (Shaman Stone)
Iron Oxide Concretion (Goethite/Hematite shell with Sandstone core)
sedimentary
Red Sandstone
Arenite (primarily Quartz with Iron Oxide)
sedimentary
Diorite
Phaneritic Intrusive Igneous Rock (Intermediate Composition)
igneous
Granite
Phaneritic Intrusive Igneous Rock (composed of Quartz, Feldspar, and Mica)
igneous
Gneiss
Gneiss
metamorphic
Granite Pebble
Granite (Phaneritic Quartz-Feldspar Rock)
igneous
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Granite
Phaneritic Felsic Igneous Rock (composed of quartz, feldspar, and mica)
igneous
Siltstone Pebble
Siltstone
sedimentary
Banded Slate or Siltstone with Quartz/Calcite Veins
Protolith-derived Siltstone or Slate (varies based on degree of metamorphism)
metamorphic
Sandstone with Iron Oxide (Limonite/Hematite)
Ferruginous Sandstone (SiO2 with FeO(OH)·nH2O)
sedimentary
Graywacke
Graywacke/Lithic Sandstone
sedimentary
Quartzite
Quartzite
Metamorphic rock
Quartzite River Pebble
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Siltstone
Siltstone
sedimentary
Granite
Granite (a plutonic igneous rock composed of quartz, feldspar, and mica)
igneous
Quartzite
Quartzite (primarily SiO2)
metamorphic
Diorite
Diorite (intermediate intrusive igneous rock)
igneous
Pink Granite
Phaneritic Plutonic Felsic Rock (Granite)
igneous
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Gneiss
Gneiss
metamorphic
Sandstone (Banded)
Clastic Sedimentary Rock (primarily SiO2)
sedimentary
Red Quartzite (Tumbled Pebble)
Quartzite (primarily SiO2 with hematite inclusions)
metamorphic
Banded Sandstone
Arenite (with iron oxide banding)
sedimentary
Sandstone (Wonderstone)
Arenite (composed primarily of SiO2 with Fe2O3 impurities)
sedimentary
Gneiss
Gneiss
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Ferruginous Sandstone (Gritstone)
Clastic sedimentary rock with iron-rich cement (FeO(OH)·nH2O)
sedimentary
Granite
Granite (a felsic intrusive igneous rock)
Igneous Rock
Granite
Phaneritic plutonic rock (Quartz, Alkali Feldspar, and Plagioclase)
igneous
Fossiliferous Limestone (Crinoidal)
Calcium Carbonate (CaCO3) - Limestone containing bioclasts
sedimentary
Coquina
Coquina (Bioclastic Limestone)
sedimentary
Granite Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Quartzite Pebble
Recrystallized Quartz (SiO2)
metamorphic
Crushed Stone / Greywacke
Greywacke (Indurated Sandstone)
sedimentary