Pink Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Category
Mineral (Metal)
Browse mineral (metal) specimens identified by the Rock Identifier community.
Learn about Mineral (Metal) in the encyclopedia
View all →
Gossan (Limonite/Goethite)
Hydrated iron oxides (primarily FeO(OH)·nH2O)
mineral
Green Schist
Greenschist (Chlorite Schist)
metamorphic
Cubic Zirconia (as a jewelry specimen)
Zirconium dioxide (ZrO2)
mineral
Serpentinite
Serpentinite (Hydrated magnesium iron phyllosilicate)
metamorphic
Green Aventurine
Silicon Dioxide with Fuchsite (SiO2)
mineral
Diamond Druzy (Crystalline Diamond)
Carbon (C)
mineral
Cubic Zirconia (CZ) in Gold-Plated Setting
Cubic Zirconium Dioxide (ZrO2)
mineral
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
mineral
Gold Nugget
Native Gold (Au)
mineral
Gold-bearing Quartz Ore
Auriferous Quartz (SiO2 with Au)
mineral
Bauxite
Bauxite (Al2O3·2H2O)
sedimentary
Quartz Vein in Host Rock (Likely Slate or Shale)
Hydrothermal Quartz (SiO2) in Pelitic host rock
metamorphic
Native Copper
Native Copper (Cu)
mineral
Likely iron-rich meteorite or hematite-rich rock
Uncertain; possible iron meteorite (Fe–Ni alloy) or limonite/goethite-bearing hematite
mineral
Copper Bullion Round
Native Copper (refined), Cu
mineral
Granite Pebble
Intrusive Igneous Rock (Quartz, Feldspar, Mica)
igneous
Faceted transparent gemstone pendant
Likely cubic zirconia (zirconium dioxide, ZrO₂); possibly diamond or synthetic moissanite
gemstone
Blue Goldstone
Man-made glass with cobalt and metal flecks
man-made glass
Limonite and Goethite
Limonite (hydrated iron(III) oxide-hydroxide) and Goethite (α-FeO(OH))
mineral
Native copper (probable copper-rich mineral specimen)
Copper, Cu; possibly mixed with cuprite, malachite, and iron-oxide alteration minerals
mineral
Blue calcite (likely)
Calcite, calcium carbonate (CaCO₃)
mineral
Gossan
Ferruginous gossan (Iron-rich capping)
sedimentary
Polished jasper pendant
Jasper, an opaque microcrystalline variety of quartz (SiO₂); exact variety cannot be confirmed from the image
gemstone
Sandstone (Quartzose Sandstone / Feldspathic Sandstone)
SiO2 with minor impurities (Fe2O3, KAlSi3O8)
sedimentary
Vanadinite
Pb5(VO4)3Cl
mineral
Aura Quartz Geodes (Lab-Altered)
Silicon Dioxide (SiO2) with Metallic Vapor Deposition
mineral
Small metallic meteorite fragment (probable stony-iron or iron meteorite)
Unclassified meteoritic material; exact classification requires chemical and petrographic testing
meteorite
Pyrite
Iron Sulfide (FeS2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Metallic iron meteorite (probable)
Iron meteorite, typically kamacite–taenite (Fe–Ni alloy)
meteorite
Weathered breccia or hydrothermal vein rock
Silicified polymict breccia, likely quartz–iron-oxide breccia
rock
Lepidolite in Mica Schist
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
metamorphic
Quartz Vein in Matrix (Gneiss/Schist)
Silicon Dioxide (SiO2) in Metamorphic Rock Matrix
metamorphic
Serpentinite
Serpentinite (Mg, Fe, Ni)3Si2O5(OH)4
metamorphic
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
mineral with metamorphic or sedimentary host
Titanium-coated Metal Cube (Man-made Fidget Toy)
Titanium-anodized or electroplated alloy (e.g., Ti-coated Zinc or Aluminum)
Mineral alternative / Synthetic
Opalite
Synthetic Glass (Hydrated Silica Simulant)
mineral
Aura Druzy Agate (Star Shape)
Silicon Dioxide (SiO2) with Titanium/Metal Vapor Coating
mineral
Faceted pale pink gemstone ring, likely morganite or rose quartz
Morganite: pink beryl, Be₃Al₂Si₆O₁₈; alternatively quartz, SiO₂
gemstone
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartzite pebble
Quartzite (SiO2) with iron oxide staining
metamorphic