Schist
Mica Schist
Category
Browse mixed (igneous, sedimentary, metamorphic, and minerals) specimens identified by the Rock Identifier community.
Schist
Mica Schist
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Dragon Blood Jasper
Epidote-containing Quartz Chalcedony (SiO2 with Ca2(Al, Fe)3(SiO4)3(OH))
Dalmatian Stone (often misnamed Dalmatian Jasper)
Aplite (with hornblende/arfvedsonite inclusions)
Pink Rhodonite
Manganese Silicate (MnSiO3)
Milky Quartz
Silicon Dioxide (SiO2)
Yellow Jade (often Serpentine or Dolomite)
Primarily Serpentine (Mg3Si2O5(OH)4) or Dolomite (CaMg(CO3)2), though the term 'yellow jade' is also sometimes applied to varieties of true nephrite or jadeite.
Quartz (various varieties)
SiO₂ (Silicon Dioxide)
Hypersthene (or Enstatite/Ferrosilite)
Orthopyroxene series (Mg,Fe)SiO3 - specifically, historically hypersthene (intermediate member) now referred to as Enstatite (Mg-rich) or Ferrosilite (Fe-rich)
Pyrite in Matrix
Iron Sulfide (FeS2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Orthoclase Feldspar
Orthoclase (KAlSi₃O₈)
Mica Schist
Mica Schist
Biotite Schist
Biotite Mica Schist [K(Mg,Fe)3AlSi3O10(OH,F)2]
Gneiss
Gneiss (High-grade Metamorphic Rock)
Schist
N/A (a rock type, not a mineral formula)
Greenschist (Greenstone)
Greenschist
Clear Quartz
Silicon Dioxide (SiO2) / Rock Crystal
Biotite Mica
Biotite (K(Mg,Fe)3AlSi3O10(F,OH)2)
White Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Garnet (Almandine)
Almandine (Fe3Al2(SiO4)3)
Lapis Lazuli
Lapis lazuli (Mainly Lazurite: Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
Schist
Mica Schist
Greenstone
Chlorite schist / Meta-basalt
Greenschist
Greenschist facies rock
Pyrite
Pyrite (FeS2)
Quartz (Raw Chunk)
Silicon Dioxide (SiO2)
Greenschist (containing Epidote and Quartz)
Greenschist (Epidote-Chlorite-Actinolite Schist)
Pyrite (Iron Pyrite)
Iron Sulfide (FeS2)
Greenstone with Epidote or Quartz Vein
Epidiorite or Metabasalt (composed largely of Chlorite, Epidote, and Amphibole)
Greenstone
Greenschist (commonly containing Chlorite, Actinolite, and Epidote)
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Clear Quartz
Silicon Dioxide (SiO2) / Rock Crystal
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon dioxide (SiO2)