Lapis Lazuli (polished cabochon/sphere)
Na8[Al6Si6O24]Sn with accessory minerals (Pyrite, Calcite)
Category
Browse mineral (evaporite) specimens identified by the Rock Identifier community.
Lapis Lazuli (polished cabochon/sphere)
Na8[Al6Si6O24]Sn with accessory minerals (Pyrite, Calcite)
Sandstone
Arenite
Pink Himalayan Salt (Halite)
Halite - NaCl (Sodium Chloride) with trace Iron Oxide and Magnesium
Jasper
Jasper (Silicate mineral, SiO2)
Aragonite
Aragonite (Carbonate mineral), CaCO3
Pearl
Organic Mineral (CaCO3 with conchiolin)
Jasper
Jasper (Silicate mineral, SiO2)
Chert (Jasper variation)
Chert (Silicate mineral, SiO2)
Banded Gneiss
Gneiss (variable mineral composition)
Sandstone (likely Quartzose)
Arenite (SiO2 principal mineral)
Quartzite
Quartzite (Primary mineral: SiO2)
Amethyst
Amethyst (Silica mineral, SiO2)
Sandstone
Sandstone (various mineral compositions)
Schist
Schist (various mineral compositions)
Amygdaloidal Basalt
Basalt with secondary mineral infilling
Red Jasper
Jasper (Silicate Mineral - SiO2)
Green Calcite
Calcite (CaCO3)
Granitic Pegmatite
Granitic Pegmatite (principally Quartz, Potassium Feldspar, and Mica)
Sandstone (likely Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Picture Jasper
Silicon Dioxide (SiO2) with iron oxide and organic impurities
Arsenopyrite with Schist Matrix
Arsenopyrite (FeAsS)
Turquoise (possible Dyed Howlite or Magnesite imitation)
CuAl6(PO4)4(OH)8·4H2O (Turquoise)
Ferruginous Quartz (Iron-Stained Quartz)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Red Sandstone (Iron-Rich)
Arenite (Fe2O3)
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
Azurite with Malachite and Limonite
Azurite Cu3(CO3)2(OH)2 / Malachite Cu2CO3(OH)2
Limonite
Limonite (Hydrous iron oxides, FeO(OH)·nH2O)
Red Sandstone
Arenite (with Iron Oxide cement)
Sandstone with Iron Oxide (Limonite/Hematite)
Ferruginous Sandstone (SiO2 with FeO(OH)·nH2O)
Moonstone
Orthoclase (Potassium Feldspar) - (K,Na)AlSi3O8
Quartz Vein in Host Rock (Gneiss/Schist)
Silicon Dioxide (SiO2) within a metamorphic matrix
Quartz Pebble (with Mica or Iron staining)
Silicon Dioxide (SiO2)
Lapis Lazuli
Lapis Lazuli (A complex rock primarily composed of Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
Feldspar
KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8
Desert Rose
Gypsum (variety Selenite) or Barite, CaSO4·2H2O
Lepidolite with Quartz
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Quartz Vein in Schist
Quartz (SiO2) in Mica Schist
Granite Pebble (Salt and Pepper Granite)
Felsic Intrusive Igneous Rock (Granite)
Granite Gneiss
Gneiss (High-grade regional metamorphic rock)
Grey River Stone (Gneiss/Schist mix)
Foliated Metamorphic Rock (variable mineral formula)