Bornite (Peacock Ore)
Bornite (Cu5FeS4)
Category
Browse mineral (found in igneous and metamorphic rocks) specimens identified by the Rock Identifier community.
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
Pyrite
Iron Disulfide (FeS2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Feldspar
Potassium Feldspar (KAlSi3O8)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Milky Quartz
Quartz (SiO2)
Magnetite (Small Granule)
Magnetite (Fe3O4)
Quartz (Iron-Stained Quartz Pebble)
Silicon Dioxide (SiO2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Nuummite
Nuummite (intergrowth of orthoamphiboles Anthophyllite and Gedrite, (Mg,Fe)7Si8O22(OH)2)
Ruby
Corundum (Al2O3 with Chromium traces)
Milky Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Mica (Muscovite)
Muscovite (KAl2(AlSi3O10)(OH)2)
Pyrite
Iron Disulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Quartz Vein (Iron-stained)
Silicon Dioxide (SiO2) with limonite/hematite staining
Schist
Mica Schist
Orthoclase Feldspar
KAlSi3O8 (Potassium aluminum silicate)
Aquamarine with Ruby Accent
Beryllium Aluminum Silicate (Be3Al2Si6O18) with Aluminum Oxide (Al2O3)
Epidote
Epidote - Ca2(Al,Fe)3(SiO4)3(OH)
Sodalite
Sodalite [Na8(Al6Si6O24)Cl2]
Blue Sapphire (in a faceted jewelry setting)
Corundum (Al2O3) with trace Iron and Titanium
Milky Quartz (Druzy Geode fragment)
Silicon Dioxide (SiO2)
Quartz (likely) / Siliceous rock with quartz phenocrysts (if a rock fragment)
Quartz (SiO₂)
Grey Agate (Tumbled)
Silicon Dioxide (SiO2)
Morganite (Pink Beryl)
Beryllium aluminum silicate Be3Al2(SiO3)6
Quartz Pebble (Sea Glass-like Quartz)
Quartz (Silicon Dioxide - SiO2)
Plagioclase Feldspar
NaAlSi3O8 – CaAlSi2O8 (Sodium-Calcium Aluminum Silicates)
Sodalite
Sodalite (Na8Al6Si6O24Cl2)
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Bi-Color Tourmaline (or Watermelon Tourmaline)
Tourmaline (complex borosilicate mineral group with general formula AD3G6(BO3)3T6O18(OH,O)4)
Corundum (Ruby Variety)
Corundum (Al2O3)
Quartz (Engineered Stone Countertop)
Silicon Dioxide (SiO2) within a resin matrix
Amethyst (Chevron or Banded Amethyst)
Silicon Dioxide (SiO2) with trace Iron (Fe)
Chlorite (Small Flakes/Sand)
Chlorite Group (Magnesium Iron Aluminum Silicate Hydroxide - (Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6)
Muscovite Mica (Golden/Yellow variety)
KAl2(AlSi3O10)(F,OH)2
Black Tourmaline
Schorl (Sodium Iron Aluminum Borosilicate Hydroxide)
Garnet (specifically Almandine or Pyrope)
Almandine: Fe3Al2(SiO4)3 or Pyrope: Mg3Al2(SiO4)3
Blue Sapphire
Corundum (Al2O3 with trace Titanium and Iron)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Smoky Quartz
Silicon Dioxide (SiO2)