Fire Opal (in matrix)
Hydrated Silica (SiO2·nH2O)
Mineraloid
Category
Mineral (Primary Constituent)
Browse mineral (primary constituent) specimens identified by the Rock Identifier community.
Bornite
Copper Iron Sulfide (Cu5FeS4)
mineral
Copper Ore
Native Copper (Cu) often found with Chalcocite (Cu2S) or Bornite (Cu5FeS4)
mineral
Chalcopyrite (Peacock Ore)
Chalcopyrite (CuFeS2)
mineral
Olivine (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4
mineral
Cuprite
Cuprite (Copper(I) oxide, Cu2O)
mineral
Muscovite Mica
Muscovite (Potassium Aluminum Silicate) - KAl2(AlSi3O10)(F,OH)2
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Bauxite (Pisolitic Bauxite)
Bauxite (mixture of Hydrous Aluminum Oxides)
sedimentary
Chalcopyrite (Peacock Ore)
Chalcopyrite (CuFeS2)
mineral
Spinel
Magnesium Aluminum Oxide (MgAl2O4)
mineral
Silver (S925)
Native Silver (Ag)
mineral
Limonite (Ironstone)
Limonite (mixture of hydrated iron oxides, primarily Goethite α-FeO(OH))
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Limonite (Gossan)
FeO(OH)·nH2O (Hydrated Iron Oxide)
mineral
White Calcite
Calcium Carbonate (CaCO3)
mineral
Goethite
Goethite (FeO(OH))
mineral
Pyromorphite
Pyromorphite (Pb5(PO4)3Cl)
mineral
Gneiss
Gneiss (a rock type, not a specific mineral with a formula)
Metamorphic Rock
Azurite with Malachite
Azurite: Cu3(CO3)2(OH)2 / Malachite: Cu2CO3(OH)2
mineral
Malachite and Azurite on Matrix
Cu2CO3(OH)2 (Malachite) / Cu3(CO3)2(OH)2 (Azurite)
mineral
Diamond (in jewelry)
Carbon (C)
mineral
Bauxite
Bauxite (Al(OH)3, AlO(OH))
sedimentary
Quartzite
Quartzite (Primary mineral: SiO2)
metamorphic
Quartzite
Quartzite (Primary mineral: SiO2)
metamorphic
Quartzite
Quartzite (Primary mineral: SiO2)
metamorphic
Quartzite
Quartzite (Primary mineral: SiO2)
metamorphic
Quartzite
Quartzite (Primary mineral: SiO2)
Metamorphic
Quartzite
Quartzite (Primary mineral: SiO2)
metamorphic
Quartzite
Quartzite (Primary mineral: SiO2)
metamorphic
Quartzite
Quartzite (Primary mineral: SiO2)
metamorphic
Banded Calcite (Tumbled)
Calcium Carbonate (CaCO3)
Mineral
Quartzite
Quartzite (Primary mineral: SiO2)
metamorphic
Copper Ore (likely Chalcopyrite in Matrix)
Chalcopyrite (CuFeS2)
mineral
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Glauconitic Sandstone
Glauconitic Sandstone (contains (K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2)
sedimentary
Mica (likely Muscovite)
Muscovite / KAl2(AlSi3O10)(OH)2
mineral
Magnetite
Magnetite (Fe3O4)
mineral
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within Metasedimentary or Igneous matrix
mineral
Limonite (Iron Ore)
Limonite (Hydrated Iron Oxide, FeO(OH)·nH2O)
Mineral
Fluorite
Calcium Fluoride (CaF2)
mineral