Mica Schist
Mica Schist (predominantly Muscovite or Biotite sheet silicates)
Category
Browse metamorphic mineral specimens identified by the Rock Identifier community.
Mica Schist
Mica Schist (predominantly Muscovite or Biotite sheet silicates)
Green Schist
Greenschist (composed of Chlorite, Actinolite, and Epidote)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Sapphire (Raw/Rough)
Corundum (Al2O3)
Quartz (Milky or Smoky variant)
Silicon Dioxide (SiO2)
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
Gneiss
Gneiss
Marble
Recrystallized Calcite (CaCO3)
Marble (Carrara Marble style)
Recrystallized Calcite (CaCO3)
Pink Polished Marble (or Limestone) Pillar
Recrystallized Calcium Carbonate (CaCO3)
Marble
Recrystallized Calcite (CaCO3) / Marble
Mica Schist
Schist (Biotite/Muscovite rich)
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
Aventurine (Green)
Silicon Dioxide (Quartz with inclusions of Fuchsite)
Mica Schist
Mica Schist (primarily Muscovite and Biotite)
Lepidolite in Pegmatite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lepidolite)
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
Lapis Lazuli (Raw Ore)
Na8[Al6Si6O24]n(S,Cl,SO4,OH)2 (Lazurite component)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
Quartz (Quartzite or Quartz Pebble)
Silicon Dioxide (SiO2)
Quartz (Quartzite Pebble)
Silicon Dioxide (SiO2)
Quartz (Milky or Citrine-tinted)
Silicon Dioxide (SiO2)
Quartz / Quartz Cluster
Silicon Dioxide (SiO2)
Mica Schist
Mica Schist (KAl2(AlSi3O10)(OH)2)
Citrine Quartz
Silicon Dioxide (SiO2)
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
Citrine Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2) / Rock Crystal
Quartz Pebble (often referred to as 'Sea Glass' or 'River Stone' when worn smooth)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Sandstone (Arkose)
Arkose Sandstone (SiO2 with KAlSi3O8)
Labradorite (Carved)
(Ca, Na)(Al, Si)4O8
Clear Quartz Crystal Cluster
Silicon Dioxide (SiO2)
Milky Quartz Vein with Iron Staining
Silicon Dioxide (SiO2)
Gneiss
Gneiss (High-grade metamorphic rock)
Slate
Foliated Metamorphic Rock (composed primarily of Quartz, Muscovite, and Illite)
Citrine
Citrine (Silicon Dioxide, SiO2)
Citrine Quartz / Yellow Quartz Pebbles
Silicon Dioxide (SiO2)
Sodalite
Sodalite, Na8(Al6Si6O24)Cl2
Sodalite
Na8(Al6Si6O24)Cl2
Chalcopyrite (Peacock Ore)
Copper Iron Sulfide (CuFeS2)
Tiger's Eye
Quartzo-fibrous crocidolite (SiO2 with inclusions of FeOOH)