Rock Identifier

Category

Metamorphic

Browse metamorphic specimens identified by the Rock Identifier community.

River Stone (likely Quartzite or Chert) (Recrystallized Silicon Dioxide (SiO2)) — metamorphic

River Stone (likely Quartzite or Chert)

Recrystallized Silicon Dioxide (SiO2)

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

Nephrite Jade

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

Charoite (Charoite (Hydrated silicate of potassium, sodium, calcium, barium and strontium): (K,Sr,Ba)(Na,Ca)2[Si4O10](OH,f)·H2O) — metamorphic

Charoite

Charoite (Hydrated silicate of potassium, sodium, calcium, barium and strontium): (K,Sr,Ba)(Na,Ca)2[Si4O10](OH,f)·H2O

Tiger's Eye (SiO2 (Silicon Dioxide with inclusions of Goethite/Limonite)) — Metamorphic

Tiger's Eye

SiO2 (Silicon Dioxide with inclusions of Goethite/Limonite)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Petrified Wood (Silicified Wood (primarily SiO2)) — metamorphic

Petrified Wood

Silicified Wood (primarily SiO2)

Red Quartzite (Quartzite (SiO2 with iron oxide inclusions)) — metamorphic

Red Quartzite

Quartzite (SiO2 with iron oxide inclusions)

Nephrite Jade (Ca2(Mg, Fe)5Si8O22(OH)2) — metamorphic

Nephrite Jade

Ca2(Mg, Fe)5Si8O22(OH)2

Lapis Lazuli (Simulated) (Lapis Lazuli (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2) — metamorphic

Lapis Lazuli (Simulated)

Lapis Lazuli (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite River Cobble (Quartzite (primarily SiO2)) — metamorphic

Quartzite River Cobble

Quartzite (primarily SiO2)

Yellow Quartzite (River Cobble) (Quartzite (SiO2)) — metamorphic

Yellow Quartzite (River Cobble)

Quartzite (SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite Pebble (Quartzite (primarily SiO2)) — metamorphic

Quartzite Pebble

Quartzite (primarily SiO2)

Unakite (Epidotized Granite) — metamorphic

Unakite

Epidotized Granite

Orange Quartzite / Quartz River Siltstone (Quartzite (SiO2)) — metamorphic

Orange Quartzite / Quartz River Siltstone

Quartzite (SiO2)

Petrified Wood (Silicified wood (Quartz, SiO2)) — metamorphic

Petrified Wood

Silicified wood (Quartz, SiO2)

Quartzite (Quartzite (SiO2 silicon dioxide)) — metamorphic

Quartzite

Quartzite (SiO2 silicon dioxide)

White Jade (Nephrite) (Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2)) — metamorphic

White Jade (Nephrite)

Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

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

Quartzite River Rock

Quartzite (primarily SiO2)

Nephrite Jade (Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)) — metamorphic

Nephrite Jade

Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)

Green Quartzite (Quartzite (primarily SiO2 with trace impurities)) — metamorphic

Green Quartzite

Quartzite (primarily SiO2 with trace impurities)

Quartzite Cobble (Meta-quartzite (SiO2)) — metamorphic

Quartzite Cobble

Meta-quartzite (SiO2)

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

Nephrite Jade

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

Green Fuchsite in Quartz (sometimes called Green Aventurine) (Fuchsite (Chrome-rich Muscovite) K(Al,Cr)2(AlSi3O10)(OH)2 in Quartz SiO2) — metamorphic

Green Fuchsite in Quartz (sometimes called Green Aventurine)

Fuchsite (Chrome-rich Muscovite) K(Al,Cr)2(AlSi3O10)(OH)2 in Quartz SiO2

Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)

Banded Gneiss (Gneiss) — metamorphic

Banded Gneiss

Gneiss

Granite Gneiss (Felsic Gneiss) — metamorphic

Granite Gneiss

Felsic Gneiss

Yellow Quartzite (River Pebble) (Quartzite (primarily Silicon Dioxide, SiO2)) — metamorphic

Yellow Quartzite (River Pebble)

Quartzite (primarily Silicon Dioxide, SiO2)

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

Yellow Quartzite (River Pebble)

Quartzite (SiO2)

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

Red Quartzite (River Stone)

Quartzite (primarily SiO2)

Flesh-colored Quartzite (Quartzite (SiO2)) — metamorphic

Flesh-colored Quartzite

Quartzite (SiO2)

Red Quartzite / Ferruginous Quartz (Quartzite (primarily Silicon Dioxide, SiO2 with Iron Oxide impurities)) — metamorphic

Red Quartzite / Ferruginous Quartz

Quartzite (primarily Silicon Dioxide, SiO2 with Iron Oxide impurities)

Quartzite (Potentially Ferruginous) (Quartzite (SiO2)) — metamorphic

Quartzite (Potentially Ferruginous)

Quartzite (SiO2)

Golden Mica Schist (Mica Schist (primarily Muscovite/Biotite with Quartz)) — metamorphic

Golden Mica Schist

Mica Schist (primarily Muscovite/Biotite with Quartz)

Quartzite (Quartzite (mainly SiO2)) — metamorphic

Quartzite

Quartzite (mainly SiO2)

Quartzite (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite

Metamorphosed Quartz Sandstone (SiO2)

Quartzite (Quartzite (mainly SiO2)) — metamorphic

Quartzite

Quartzite (mainly SiO2)

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

Serpentinite

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

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)