Banded Iron Formation (BIF)
Banded Iron Formation
Category
Browse mineral (iron ore) specimens identified by the Rock Identifier community.
Banded Iron Formation (BIF)
Banded Iron Formation
Iron Slag
Ferrous Slag (complex silicate and oxide byproduct)
Slag (Industrial Glass)
Anthropogenic Amorphous Vitreous Silicate
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
Azurite and Malachite on Matrix
Cu3(CO3)2(OH)2 (Azurite) and Cu2CO3(OH)2 (Malachite)
Slag
Anthropogenic Vitrophyre (Iron or Smelting Slag)
Slag (Industrial Glass/Metal)
Ferrous slag or Glassy silicate byproduct
Chrysocolla (with Quartz and Azurite)
Hydrated copper phyllosilicate mineral [Cu2-xAlx(H2-xSi2O5)(OH)4·n(H2O)]
Cuprite
Cuprite (Copper(I) oxide, Cu2O)
Chlorite (Small Flakes/Sand)
Chlorite Group (Magnesium Iron Aluminum Silicate Hydroxide - (Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6)
Peacock Ore (Chalcopyrite/Bornite)
Bornite (Cu5FeS4) or iridescent treated Chalcopyrite (CuFeS2)
Chrysocolla in Matrix
Chrysocolla (Cu,Al)2H2Si2O5(OH)4·nH2O
Schorl (Black Tourmaline)
Sodium Iron Aluminum Borosilicate Hydroxide; NaFe2+3Al6Si6O18(BO3)3(OH)3OH
Rhodonite
Rhodonite (Manganese Iron Magnesium Calcium Silicate - (Mn,Fe,Mg,Ca)SiO3)
Slag
Ferrous slag (by-product of iron smelting)
Chalcopyrite (Peacock Ore)
Chalcopyrite (CuFeS2)
Silver (S925)
Native Silver (Ag)
Purple Lepidolite with Quartz
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Chrysocolla in Cuprite (Sonora Sunrise)
Cu2-xAlx(H2-xSi2O5)(OH)4·n(H2O) with Cu2O
Chrysocolla
Chrysocolla: Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O
Azurite with Malachite
Azurite: Cu3(CO3)2(OH)2 / Malachite: Cu2CO3(OH)2
Chrysocolla
Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O)
Schorl (Black Tourmaline)
Sodium Iron Aluminum Borosilicate (NaFe3Al6(BO3)3Si6O18(OH)4)
Chrysocolla on Matrix
Hydrated copper phyllosilicate (Cu,Al)2H2Si2O5(OH)4·nH2O
Black Tourmaline (Schorl)
Schorl (Sodium Iron Aluminum Borosilicate Hydroxide), NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH
Iron Slag
Iron smelting byproduct (Glassy/vesicular silicate)
Slag
Ferrous Slag (Siliceous industrial waste)
Gabbro
Gabbro (mafic intrusive igneous rock)
Laterite
Laterite (Iron and aluminum-rich residual rock)
Malachite Coating on Host Rock
Malachite [Cu2CO3(OH)2]
Ferruginous Conglomerate
Ferruginous Conglomerate (Clastic Sedimentary Rock)
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Azurite Geode
Azurite (Cu3(CO3)2(OH)2)
Silver (Native Silver)
Native Silver (Ag)
Malachite with Chrysocolla
Copper carbonate hydroxide (Cu2CO3(OH)2) and Hydrated copper silicate (Cu,Al)2H2Si2O5(OH)4·nH2O
Lepidolite on Pegmatite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Chalcopyrite
Chalcopyrite (CuFeS2)
Rhodonite
Manganese silicate (MnSiO3)
Slag
Anthropogenic Vitrification Product / Silicate Slag
Chrysocolla
Hydrated copper phyllosilicate (Cu,Al)2H2Si2O5(OH)4 nH2O
Ferro-Manganese Slag
Vitreous Silicate Slag
Bornite (Peacock Ore)
Bornite (Cu5FeS4)