Diamond (in a jewelry setting)
Cubic Carbon (C)
Category
Browse mineral (processed metal) specimens identified by the Rock Identifier community.
Diamond (in a jewelry setting)
Cubic Carbon (C)
Gold
Native Gold (Au)
Emerald in Matrix
Beryl (Be3Al2Si6O18) containing Chromium/Vanadium impurities
Quartz Vein in Siltstone
SiO2 (Quartz) on clastic sedimentary matrix
Gold Nugget
Native Gold (Au)
Gold Nugget
Native Gold (Au)
Limonite and Goethite encrusted Quartz (Iron-stained Gossan)
FeO(OH)·nH2O (Limonite) / FeO(OH) (Goethite) on SiO2 (Quartz)
The user-provided image does not contain a rock or mineral specimen
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Granite
Granite (Felsic Plutonic Rock)
Cream Marble (Speckled)
Metamorphosed Limestone (mainly CaCO3)
Native Copper
Native Copper (Cu)
Peacock Ore (Chalcopyrite)
Chalcopyrite (CuFeS2)
Pallasite Meteorite (Sliced and Polished)
Pallasite (Iron-Nickel Matrix with Olivine crystals)
Sandstone (Quartzose)
Arenite (predominantly SiO2)
Opalite (Man-made Glass)
Synthetic Opalised Glass
Green glass sphere/marble
Soda-lime glass (primarily SiO2, Na2O, CaO)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within metamorphic/igneous matrix
Milky Quartz
Silicon Dioxide (SiO2)
Green Glass Slag
Amorphous Silicon Dioxide (SiO2) with metal oxide impurities
Gold Nuggest
Native Gold (Au)
Silver (Jewelry form)
Native Silver (Ag)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Peridot (Olivine)
Magnesium Iron Silicate (Mg, Fe)2SiO4
Orange Calcite with Siderite/Iron Oxide Coating
Calcium Carbonate (CaCO3)
Red Jasper (beads)
SiO₂ (Silicon Dioxide)
Limonite and Goethite on Gossan
FeO(OH)·nH2O
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 inclusions)
Olivine (Peridot)
Magnesium Iron Silicate ((Mg, Fe)2SiO4)
Celestite (Celestine)
Strontium Sulfate (SrSO4)
Celestite (Celestine)
Strontium Sulfate (SrSO4)
Pink Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Serpentinite
Serpentine rock (Mg,Fe,Ni,Al,Zn,Mn)3(Si,Al,Fe)2O5(OH)4
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
Gold Nugget
Native Gold (Au)
Native Copper
Native Copper (Cu)
Quartzite (Yellow/Iron-Stained)
Quartzite (SiO2 with Iron Oxide impurities)
Quartz Vein in Host Rock (Likely Slate or Shale)
Hydrothermal Quartz (SiO2) in Pelitic host rock
Brown Jasper (Likely)
Jasper (Cryptocrystalline Silicon Dioxide - SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Opalite
Synthetic Glass (SiO2 + impurities)
Blue Calcite
Calcite (Calcium Carbonate, CaCO3)