Pyritic Quartzite
Metequartzite with FeS2 (Pyrite) inclusions
Category
Browse metal (elemental mineral) specimens identified by the Rock Identifier community.
Pyritic Quartzite
Metequartzite with FeS2 (Pyrite) inclusions
Mica Schist
Mica Schist (primarily Muscovite and Quartz)
Fluorite (Green Fluorite)
Fluorite (Calcium Fluoride, CaF2)
Fluorite
Fluorite (Calcium Fluoride - CaF2)
Fluorite (Green)
Calcium Fluoride (CaF2)
Fluorite
Fluorite (Calcium Fluoride, CaF2)
Sunstone
Aventurine Feldspar (composition: (Ca,Na)((Al,Si)2Si2O8))
Fluorite Octahedron
Fluorite (Calcium Fluoride, CaF2)
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
Fluorite (Rainbow Fluorite Point)
Calcium Fluoride (CaF2)
Green Fluorite
Calcium Fluoride (CaF2)
Sunstone
Heliolite (Oligoclase or Orthoclase Feldspar), (Ca,Na)(Al,Si)4O8
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
Schist
Mica Schist
Not a rock, mineral, or geological specimen
Fluorite
Calcium Fluoride (CaF2)
Fluorite (Purple Octahedron)
Calcium Fluoride (CaF2)
Fluorite (often referred to as Rainbow Fluorite)
Fluorite (Calcium Fluoride, CaF2)
Sunstone
Oligoclase (Feldspar variety), (Na,Ca)(Si,Al)4O8
Peacock Ore (Chalcopyrite/Bornite)
Bornite (Cu5FeS4) or iridescent treated Chalcopyrite (CuFeS2)
Biotite Mica
Biotite (K(Mg,Fe)3AlSi3O10(OH,F)2)
Limonite (Yellow Ochre)
Hydrated iron(III) oxide-hydroxide (FeO(OH)·nH2O)
Sodalite
Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)
Green Aventurine
SiO2 (Silicon Dioxide with inclusions of Fuchsite mica)
Galena
Lead Sulfide (PbS)
Pyrite (Iron Pyrite) with Goethite Oxidation
Iron Sulfide (FeS2)
Arsenopyrite in Quartz Matrix
Arsenopyrite (FeAsS) with Quartz (SiO2)
Pyrite
Iron Disulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Sunstone with Black Tourmaline (Arfvedsonite)
Feldspar (Na,Ca)(Al,Si)4O8 with Schorl Na(Fe3+)3Al6(Si6O18)(BO3)3(OH)3(OH)
Yellow Aventurine
Silicon Dioxide with inclusions (SiO2 + Muscovite/Fuchsite)
Galena
Lead Sulfide (PbS)
Pyrite
Iron Sulfide (FeS2)
Limonite-pseudomorph after Pyrite (Prophecy Stone)
Goethite and Limonite secondary minerals (FeO(OH)·nH2O) replacing Pyrite (FeS2)
Mystic Topaz
Aluminum silicate fluoride hydroxide with titanium coating (Al2SiO4(F,OH)2)
Arsenopyrite with Quartz
Arsenopyrite (FeAsS)
Chalcopyrite
Copper Iron Sulfide (CuFeS2)
Sunstone
Oligoclase (a plagioclase feldspar variant), (Na,Ca)(Al,Si)4O8
Sunstone
Plagioclase Feldspar (Na, Ca)(Al, Si)4O8 with Hematite or Copper inclusions
Limonite Pseudomorph after Pyrite
Limonite (Hydrous iron oxides, FeO(OH)·nH2O) replacing Pyrite (FeS2)
Pyrite
Iron Disulfide (FeS2)
Pyrite in Limestone
Iron Sulfide (FeS2) in Calcium Carbonate (CaCO3)