Mica Schist fragment
Mica Schist (KAl2(AlSi3O10)(OH)2 / K(Mg,Fe)3(AlSi3O10)(OH)2)
Category
Browse sedimentary and metamorphic specimens identified by the Rock Identifier community.
Mica Schist fragment
Mica Schist (KAl2(AlSi3O10)(OH)2 / K(Mg,Fe)3(AlSi3O10)(OH)2)
Gneiss
Gneiss
Gneiss
Gneiss
Gneiss
Gneiss
Gneiss (Banded Gneiss)
Gneiss
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Pink Granite Gneiss
Granitic Gneiss
Banded Gneiss
Gneiss
Healer's Gold (Pyrite and Magnetite in Schist)
Magnetite (Fe3O4) and Pyrite (FeS2) in Mica Schist
Metaconglomerate
Protolith: Conglomerate (comprising SiO2, Al2O3, etc.)
Schist
Mica Schist
Golden Mica Schist
Mica Schist (primarily Muscovite/Biotite with Quartz)
Gneiss
Gneiss
Ruby Zoisite
Anyolite (Ca2Al3(SiO4)3(OH) + Al2O3:Cr)
Gneiss (Schistose)
Gneiss
Nephrite Jade
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)
Gneiss
Gneiss
Magnetite (Iron Ore)
Magnetite (Fe3O4)
Gneiss
Gneiss
Gneiss
Gneiss
Gneiss (Banded Gneiss)
Gneiss
Anthracite Coal
Anthracite (Carbon Content: 86%–98%)
Gneiss
Gneiss (Metamorphic rock composed primarily of Quartz, Feldspar, and Mica/Amphibole)
Anthracite Coal
Anthracite
Gneiss (with Quartz and Biotite Mica)
Gneiss
Schist (specifically Mica Schist)
Mica Schist (primarily composed of Muscovite KAl2(AlSi3O10)(OH)2 and Biotite)
Muscovite Schist
KAl2(AlSi3O10)(OH)2 (Muscovite) in Schist Matrix
Banded Gneiss
Gneiss
Green Aventurine
Quartzite (variety Aventurine) with Fuchsite inclusions (K(Al,Cr)2(AlSi3O10)(OH)2)
Gneiss
Gneissic Metamorphic Rock (Mineral composition: Quartz, Feldspar, Amphibole/Biotite)
Garnet Gneiss
Gneiss containing almandine-pyrope garnet
Quartzite
Quartzite (SiO2)
Gneiss
Gneiss
Gneiss
Gneiss
Banded Quartzite
Metamorphosed Quartz Sandstone / Quartzite
River Stone (Green Quartzite)
Quartzite (Metamorphosed Sandstone)
Quartzite
Metamorphosed Quartz Sandstone
Quartzite (River Stone)
Quartzite (mainly SiO2 with iron oxide staining)
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
Petrified Wood (Silicified Wood)
Silicified Paleoflora (mainly Quartz, SiO2)
Yellow Quartzite (or Quartz River Pebble)
Silicon Dioxide (SiO2)
Quartzite river stone
Quartzite (SiO2 silicon dioxide)