Gold Ore in Quartz/Schist
Auriferous Quartz and Sulfide-bearing Schist
Category
Browse sedimentary or metamorphic specimens identified by the Rock Identifier community.
Gold Ore in Quartz/Schist
Auriferous Quartz and Sulfide-bearing Schist
Biotite Mica
K(Mg,Fe2+)3(Al,Fe3+)Si3O10(OH,F)2
Greenschist
Greenschist (Chlorite-actinolite schist)
Schist (Graphite or Mica rich)
Crystalline Schist (often containing Muscovite, Biotite, or Graphite)
Zebra Marble
Metamorphosed Limestone (Recrystallized Calcite)
Greenstone
Greenschist (Greened Metabasalt)
Strawberry Quartz (Aventurine)
Silicon Dioxide with Hematite/Lepidocrocite inclusions (SiO2)
Arsenopyrite in Quartz/Host Rock
Arsenopyrite (FeAsS)
Fuchsite
Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)
Strawberry Quartz
Quartz with Hematite inclusions (SiO2 + Fe2O3)
Moonstone
Orthoclase Feldspar ((K,Na)AlSi3O8)
Rough Quartz (Smoky or Citrine variant)
Silicon Dioxide (SiO2)
Emerald
Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)
Tumbled Moonstone
Feldspar (Orthoclase/Albite), KAlSi3O8
Labradorite
Labradorite ((Ca, Na)(Al, Si)4O8)
Citrine
Silicon dioxide (SiO2)
Chalcopyrite
Copper Iron Sulfide (CuFeS2)
Dumortierite Quartz
Dumortierite (Al7BCuO15)
Serpentine
Serpentine group ((Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)
Prehnite
Prehnite, Ca2Al2Si3O10(OH)2
Labradorite
(Ca,Na)(Al,Si)4O8
Jadeite Jade
NaAlSi2O6 (Sodium Aluminum Silicate)
Milky Quartz
Silicon Dioxide (SiO2)
Schist
Mica Schist
Unakite (or Epidote-rich Granite)
Unakite (Metamorphosed Granite consisting of Epidote, Orthoclase, and Quartz)
Quartzite
Quartzite (SiO2)
Granitic Pegmatite
Granitic Pegmatite (principally Quartz, Potassium Feldspar, and Mica)
Quartz with Iron Staining
Silicon Dioxide (SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Orange Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
Quartzite Pebble
Metamorphic rock predominantly composed of Quartz (SiO2)
Mica Schist
Mica Schist (KAl2(AlSi3O10)(OH)2 / K(Mg,Fe)3(AlSi3O10)(OH)2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
Garnet
Garnet Group (e.g., Almandine Fe3Al2(SiO4)3 or Pyrope Mg3Al2(SiO4)3)
Quartzite Pebble
Quartzite (SiO2)
Quartzite
Quartzite (primarily SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz (with Chlorite/Mineral Inclusions)
Silicon Dioxide (SiO2)
Serpentine
Antigorite-Lizardite-Chrysotile (Mg3Si2O5(OH)4)
Schist
Mica Schist
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)