Rock Identifier

Category

Igneous And Metamorphic

Browse igneous and metamorphic specimens identified by the Rock Identifier community.

Dalmation Jasper (or Dalmation Stone) (Dalmation Stone (composed of Perthite, Quartz, and Arfvedsonite)) — igneous

Dalmation Jasper (or Dalmation Stone)

Dalmation Stone (composed of Perthite, Quartz, and Arfvedsonite)

Quartzite (Quartzite) — metamorphic

Quartzite

Quartzite

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Green Aventurine (Silicon Dioxide (Quartz with Fuchsite inclusions) - SiO2) — metamorphic

Green Aventurine

Silicon Dioxide (Quartz with Fuchsite inclusions) - SiO2

Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)

Ruby in Quartz with Tourmaline (Corundum (Al2O3) in Silicon Dioxide (SiO2) with Schorl) — metamorphic

Ruby in Quartz with Tourmaline

Corundum (Al2O3) in Silicon Dioxide (SiO2) with Schorl

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Glaucophane Schist (Blueschist) (Glaucophane Schist) — metamorphic

Glaucophane Schist (Blueschist)

Glaucophane Schist

Nephrite Jade (Tremolite-Actinolite solid solution Ca2(Mg, Fe)5Si8O22(OH)2) — metamorphic

Nephrite Jade

Tremolite-Actinolite solid solution Ca2(Mg, Fe)5Si8O22(OH)2

Quartzite (Quartzite (mostly SiO2)) — metamorphic

Quartzite

Quartzite (mostly SiO2)

Quartzite (Coldwater or Druzy Quartz over Quartzite) (SiO2 (Silicon Dioxide)) — metamorphic

Quartzite (Coldwater or Druzy Quartz over Quartzite)

SiO2 (Silicon Dioxide)

Petrified Wood (Silicified wood (primarily Silicon Dioxide, SiO2)) — metamorphic

Petrified Wood

Silicified wood (primarily Silicon Dioxide, SiO2)

Fairy Stone (Staurolite Twin) (Staurolite (Fe2+2Al9Si4O22(OH)2)) — metamorphic

Fairy Stone (Staurolite Twin)

Staurolite (Fe2+2Al9Si4O22(OH)2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

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

Quartzite (River Pebble)

Metamorphosed Quartz Sandstone (SiO2)

Serpentine (Antigorite, Lizardite, or Chrysotile; (Mg, Fe)3Si2O5(OH)4) — metamorphic

Serpentine

Antigorite, Lizardite, or Chrysotile; (Mg, Fe)3Si2O5(OH)4

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

Serpentinite

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

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite pebble (Quartzite (composed primarily of Quartz, SiO2)) — metamorphic

Quartzite pebble

Quartzite (composed primarily of Quartz, SiO2)

Quartzite Pebble (Metamorphosed Sandstone (SiO2)) — metamorphic

Quartzite Pebble

Metamorphosed Sandstone (SiO2)

Quartzite Pebble (Quartzite (chiefly SiO2)) — metamorphic

Quartzite Pebble

Quartzite (chiefly SiO2)

Quartzite Pebble (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite Pebble

Metamorphosed Quartz Sandstone (SiO2)

Red Quartzite (Quartzite (principally SiO2)) — metamorphic

Red Quartzite

Quartzite (principally SiO2)

Serpentinite (Serpentinite (complex silicate minerals including lizardite, chrysotile, and antigorite)) — metamorphic

Serpentinite

Serpentinite (complex silicate minerals including lizardite, chrysotile, and antigorite)

Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)

Quartzite (Quartzite) — metamorphic

Quartzite

Quartzite

Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)

Quartzite pebble (Quartzite (SiO2)) — metamorphic

Quartzite pebble

Quartzite (SiO2)

Quartzite River Rock (Quartzite (SiO2)) — metamorphic

Quartzite River Rock

Quartzite (SiO2)

Mica Schist (Mica Schist (Quartz-Biotite-Muscovite Schist)) — metamorphic

Mica Schist

Mica Schist (Quartz-Biotite-Muscovite Schist)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite (Quartzite) — Metamorphic

Quartzite

Quartzite

Quartzite with inclusions or weathered surface (Quartzite) — metamorphic

Quartzite with inclusions or weathered surface

Quartzite

Quartzite (Quartzite (mostly SiO2)) — Metamorphic

Quartzite

Quartzite (mostly SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

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

River Pebble (Quartzite)

Quartzite (SiO2)

Quartzite pebble (Quartzite) — metamorphic

Quartzite pebble

Quartzite

Anthracite (Anthracite (Carbon)) — metamorphic

Anthracite

Anthracite (Carbon)

Quartzite (Quartzite (mostly SiO2)) — metamorphic

Quartzite

Quartzite (mostly SiO2)