Rock Identifier

Category

Metamorphic Or Igneous (Context Dependent)

Browse metamorphic or igneous (context dependent) specimens identified by the Rock Identifier community.

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Milky Quartz pebble) (Silicon Dioxide (SiO2)) — metamorphic

Quartzite (Milky Quartz pebble)

Silicon Dioxide (SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite (River Cobble) (Quartzite (dominant mineral: Quatrz, SiO2)) — metamorphic

Quartzite (River Cobble)

Quartzite (dominant mineral: Quatrz, SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Yellow Quartzite (Silicon Dioxide (SiO2)) — metamorphic

Yellow Quartzite

Silicon Dioxide (SiO2)

Orange Quartzite (Tumbled) (Quartzite (primarily SiO2 with trace Iron Oxide)) — metamorphic

Orange Quartzite (Tumbled)

Quartzite (primarily SiO2 with trace Iron Oxide)

Quartzite (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite

Metamorphosed Quartz Sandstone (SiO2)

Quartzite Pebble (with Iron Staining) (Quartzite (mainly SiO2)) — metamorphic

Quartzite Pebble (with Iron Staining)

Quartzite (mainly SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite (Quartzite (Primary mineral: SiO2)) — metamorphic

Quartzite

Quartzite (Primary mineral: SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Blue Quartzite (Blue Quartzite (Primary mineral: Quartz, SiO2 with magnesio-riebeckite or crocidolite inclusions)) — metamorphic

Blue Quartzite

Blue Quartzite (Primary mineral: Quartz, SiO2 with magnesio-riebeckite or crocidolite inclusions)

Yellow Quartzite (River Stone) (Quartzite (primarily SiO2)) — metamorphic

Yellow Quartzite (River Stone)

Quartzite (primarily SiO2)

Green Quartzite (Meta-quartzite with Fuchsite inclusions (K(Al,Cr)2(AlSi3O10)(OH)2 + SiO2)) — metamorphic

Green Quartzite

Meta-quartzite with Fuchsite inclusions (K(Al,Cr)2(AlSi3O10)(OH)2 + SiO2)

Ferruginous Quartzite (Iron-stained Quartz) (Silicon Dioxide (SiO2) with Ferric Oxide (Fe2O3)) — metamorphic

Ferruginous Quartzite (Iron-stained Quartz)

Silicon Dioxide (SiO2) with Ferric Oxide (Fe2O3)

Fulgurite (Fulgurite (Lechatelierite)) — metamorphic

Fulgurite

Fulgurite (Lechatelierite)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (River Stone) (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite (River Stone)

Metamorphosed Quartz Sandstone (SiO2)

Quartzite Pebble (River Rock) (Quartzite (primarily SiO2)) — metamorphic

Quartzite Pebble (River Rock)

Quartzite (primarily SiO2)

Staurolite (Fairy Stone) (Staurolite (formula: Fe2+2Al9Si4O23(OH))) — metamorphic

Staurolite (Fairy Stone)

Staurolite (formula: Fe2+2Al9Si4O23(OH))

Serpentine (Lizardite) (Serpentine subgroup, Mg3Si2O5(OH)4) — metamorphic

Serpentine (Lizardite)

Serpentine subgroup, Mg3Si2O5(OH)4

Red Quartzite / Metasandstone River Pebble (Quartzite (primarily SiO2 with hematite inclusions)) — metamorphic

Red Quartzite / Metasandstone River Pebble

Quartzite (primarily SiO2 with hematite inclusions)

Quartzite Pebble (Quartzite (primarily SiO2)) — metamorphic

Quartzite Pebble

Quartzite (primarily SiO2)

Quartzite (Quartzite (composed primarily of SiO2)) — metamorphic

Quartzite

Quartzite (composed primarily of SiO2)

Tiger's Eye (Tiger's eye (Pseudomorph of Quartz after Crocidolite), SiO2) — metamorphic

Tiger's Eye

Tiger's eye (Pseudomorph of Quartz after Crocidolite), SiO2

Quartzite with inclusions (Quartzite) — metamorphic

Quartzite with inclusions

Quartzite

River Quartzite or Chert Pebble (Quartzite (primarily Silicon Dioxide - SiO2)) — metamorphic

River Quartzite or Chert Pebble

Quartzite (primarily Silicon Dioxide - SiO2)

Mica Schist (Mica Schist (primarily Muscovite or Biotite Schist)) — metamorphic

Mica Schist

Mica Schist (primarily Muscovite or Biotite Schist)

Green Aventurine (Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)) — metamorphic

Green Aventurine

Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite River Pebble (Quartzite (SiO2)) — metamorphic

Quartzite River Pebble

Quartzite (SiO2)

Quartzite (Gold-Yellow variety) (Quartzite (Silicon Dioxide, SiO2)) — metamorphic

Quartzite (Gold-Yellow variety)

Quartzite (Silicon Dioxide, SiO2)

Tiger's Eye (Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxides)) — metamorphic

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxides)

Rough Green Adventurine (Aventurine (Variety of Quartz, SiO2)) — metamorphic

Rough Green Adventurine

Aventurine (Variety of Quartz, SiO2)

Serpentinite (Serpentinite (Mg, Fe, Ni, Al, Zn)2-3(Si, Al, Fe)2O5(OH)4) — metamorphic

Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn)2-3(Si, Al, Fe)2O5(OH)4

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Pink Quartzite (Quartzite (primarily SiO2)) — metamorphic

Pink Quartzite

Quartzite (primarily SiO2)

Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)

Schist (Mica Schist) — metamorphic

Schist

Mica Schist