Milky Quartz
Silicon Dioxide (SiO2)
Category
Browse metamorphic mineral specimens identified by the Rock Identifier community.
Milky Quartz
Silicon Dioxide (SiO2)
Fluorite
Calcium Fluoride (CaF2)
Gold-bearing Quartz
Quartz (SiO2) with associated pyrite or native gold
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Quartz (Crystal Fragment)
Quartz / Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Garnet
Garnet Group (often Pyrope or Almandine); X3Y2(SiO4)3
Milky Quartz
Silicon Dioxide (SiO2)
Muscovite Mica (with Quartz)
Muscovite (KAl2(AlSi3O10)(OH)2)
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium impurities
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
Rutilated Quartz (with Garnet pendant)
Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions
Milky Quartz
Silicon Dioxide (SiO2)
Gneiss
Gneissic Metamorphic Rock (Mineral composition: Quartz, Feldspar, Amphibole/Biotite)
Milky Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
Greenschist
Greenschist facies rock (containing chlorite, actinolite, albite, and epidote)
Peacock Ore (Bornite or Chalcopyrite)
Bornite (Cu5FeS4) or Acid-Washed Chalcopyrite (CuFeS2)
Labradorite
Labradorite (a calcium-enriched feldspar mineral), (Ca, Na)(Al, Si)4O8
Lapis Lazuli
Na8[Al6Si6O24]S2 (Lazurite component), a rock composed primarily of Lazurite, Calcite, and Pyrite
River Pebble (likely Quartzite or Basalt)
Quartzite (SiO2 as primary mineral)
Quartzite
Quartzite (Primary mineral: SiO2)
Quartzite
Quartzite (Primary mineral: SiO2)
Quartzite
Quartzite (Primary mineral: SiO2)
Quartzite
Quartzite (Primary mineral: SiO2)
Quartzite
Quartzite (Primary mineral: SiO2)
Quartzite
Quartzite (Primary mineral: SiO2)
Quartzite
Quartzite (Primary mineral: SiO2)
Quartzite
Quartzite (Primary mineral: SiO2)
Schist
Schist (various mineral compositions)
Potassium Feldspar (Orthoclase)
Orthoclase (KAlSi3O8)
Quartzite
Quartzite (SiO2)
Eclogite
Eclogite (Omphacite-Garnet rock)
Quartz
Quartz (SiO2)
Pyrite (Iron Pyrites)
Iron Sulfide (FeS2)
Schist
Mica Schist
Garnet (likely Almandine)
Almandine - Fe3Al2(SiO4)3