Mica Schist
Mica Schist (KAl2(AlSi3O10)(OH)2)
Category
Browse mineral like industrial smelting waste specimens identified by the Rock Identifier community.
Mica Schist
Mica Schist (KAl2(AlSi3O10)(OH)2)
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
Granite Pebble
Granite (Felsic Plutonic Rock)
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic volcanic rock)
Sandstone (Ferruginous)
Arenite with Iron Oxides
Opal
Hydrated Amorphous Silica (SiO2·nH2O)
Biotite / Black Mica
Biotite K(Mg,Fe)3AlSi3O10(F,OH)2
Gneiss (specifically a weathered Amphibolite or Garnet Gneiss)
Gneiss (complex silicate composition)
Sandstone (Ferruginous)
Arenite (with Iron Oxides)
Gold Quartz (Auriferous Quartz)
Silicon Dioxide (SiO2) with trace Gold (Au) and Iron Oxides
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Limonite and Hematite Gossan
Hydrated Iron Oxide Mix (FeO(OH)·nH2O) / Ferric oxide (Fe2O3)
Rhodonite
Rhodonite (Mn,Fe,Mg,Ca)SiO3
Green Aventurine
Quartz with Fuchsine inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Peacock Ore (Bornite or Iridescent Chalcopyrite)
Bornite (Cu5FeS4) or Chalcopyrite (CuFeS2) with tarnish
Rhodonite
Rhodonite (Manganese Iron Magnesium Calcium Silicate - (Mn,Fe,Mg,Ca)SiO3)
Obsidian
Volcanic Glass (SiO2)
Epidote
Epidote - Ca2(Al,Fe)3(SiO4)3(OH)
Potassium Feldspar
Orthoclase (KAlSi3O8)
Black Obsidian
Volcanic Glass (SiO2 + impurities)
Mica Schist
Schist (Crystalline metamorphic rock)
Quartz (Double-Terminated)
Silicon Dioxide (SiO2)
Moss Agate
Silicon Dioxide with inclusions (SiO2)
Red Sandstone
Arenite (Ferruginous Sandstone)
Green Aventurine
Silicon dioxide (SiO2) with Fuchsite inclusions
Aventurine Quartz
Silicon Dioxide (SiO2) with Fuchsite inclusions
Golden Healer Quartz
Silicon Dioxide (SiO2) with limonite/hematite inclusions
Turquoise
Hydrated copper and aluminum phosphate (CuAl6(PO4)4(OH)8·4H2O)
Green Aventurine
Aventurine Quartz (SiO2 with inclusions of Fuchsite mica)
Chert (Flint)
Silicon Dioxide (SiO2)
Serpentinite
Serpentinite (containing minerals of the Serpentine subgroup: Antigorite, Lizardite, and Chrysotile; formula (Mg,Fe)3Si2O5(OH)4)
Chert (Iron-stained)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Sandstone
Arenite (primarily Quartz, SiO2)
Howlite
Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)
Conglomerate
Conglomerate (clastic sedimentary rock)
Conglomerate
Conglomerate rock
Fluorite (Purple variety)
Calcium Fluoride (CaF2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Gneiss
High-grade metamorphic rock (Gneiss)
Chert
Chert (Microcrystalline Quartz, SiO2)