Not a rock
Not a rock
Category
Browse not a rock specimens identified by the Rock Identifier community.
Not a rock
Not a rock
Not a rock
Not a rock
Not a rock
Not a rock
Not a geological specimen
N/A (man-made object)
Tumbled jasper pebble
Jasper, an opaque microcrystalline variety of quartz (SiO₂), commonly colored by iron oxides and hydroxides
Pearls
Pearl: biomineralized aragonite (CaCO₃) and conchiolin
Polished red jasper
Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored mainly by iron oxides
Synthetic Wolf Plush (Non-mineral)
Canis lupus similis (Prop material: Polyester & Synthetic fibers)
Tumbled red jasper
Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored mainly by iron oxides
Lapis Lazuli (Low Grade)
Lazurite-rich metamorphic rock ((Na,Ca)8(AlSiO4)6(SO4,S,Cl,OH)2)
Bauxite
Bauxite (Mixture of Hydrous Aluminum Oxides)
Red-and-green jasper
Jasper, microcrystalline quartz (SiO₂), colored mainly by iron oxides and possibly chlorite/epidote
Lapis Lazuli
Lapis lazuli (Complex silicate rock containing Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Calcite, and Pyrite)
Bauxite
Bauxite (principal ore of aluminum, primarily Al(OH)3)
Lapis Lazuli
Lazurite-dominant Metamorphic Rock (complex aluminosilicate)
Bornite (“peacock ore”), likely weathered copper sulfide
Bornite, Cu₅FeS₄; possibly chalcopyrite, CuFeS₂, with iridescent tarnish
Lapis Lazuli (Tumbled)
Lazurite-dominated contact metamorphic rock
Lapis Lazuli
Na8[Al6Si6O24]Sn (Lazurite-rich metamorphic rock)
Bauxite
AlOx(OH)3-2x (mixture of Gibbsite, Boehmite, and Diaspore)
Lapis Lazuli (Tumbled Stone)
Na6Ca2(Al6Si6O24)(SO4,S,Cl)2 (Lazulite-rich Metamorphic Rock)
Bauxite
Bauxite (Al(OH)3, AlO(OH))
Lapis Lazuli (Tumbled Specimen)
Lapis Lazuli (Aggregate rock containing Lazurite: (Na,Ca)8(AlSiO4)6(SO4,S,Cl)2)
Bauxite
Bauxite (Al(OH)3, AlO(OH))
Bauxite
Aluminium ore (Hydrated aluminium oxides AlOx(OH)3-2x)
Metallic Ornament / Jewelry
N/A - This is an artificial object, not a geological specimen.
Bauxite
Bauxite (Mixture of Al(OH)3, AlO(OH), and Fe2O3)
Bauxite
Bauxite (mixture of Hydrous Aluminum Oxides)
Note: Item is not a geological specimen
Guitar Components (Steel, Nickel, Plastic, Wood)
Lapis Lazuli
Complex rock primarily containing Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2
Lapis Lazuli (Raw)
Lazurite-rich metamorphic rock; Na3Ca(Al3Si3O12)S
Bauxite
Bauxite (Al(OH)3, γ-AlO(OH), and α-AlO(OH))
N/A (Non-Geological Specimen)
Bauxite
Alumina ore (Mixture of Gibbsite, Boehmite, and Diaspore)
Bauxite (Pisolitic Bauxite)
Bauxite (mixture of Hydrous Aluminum Oxides)
Lapis Lazuli (polished cabochon)
Lazurite-rich metamorphic rock (approx. Na6Ca2Al6Si6O24(SO4,S,Cl)2)
Lapis Lazuli
Lapis Lazuli (Primary mineral: Lazurite (Na,Ca)8(AlSiO4)6(SO4,S,Cl)2)
Lapis Lazuli
Na8(Al6Si6O24)S2 (composed primarily of Lazurite, Calcite, and Pyrite)
Note: This is a Man-Made Object (Costume/Prop Patch)
Synthetic fiber and pigments (Cellulose/Plastic-based composite)
Bauxite
Bauxite (Mixture including Gibbsite Al(OH)3, Boehmite γ-AlO(OH), and Diaspore α-AlO(OH))
Man-made Synthetic Material (Plastic/Composite)
Acrylonitrile Butadiene Styrene (ABS) or High-Impact Polystyrene (HIPS)
Lapis Lazuli (Raw Ore)
Na8[Al6Si6O24]n(S,Cl,SO4,OH)2 (Lazurite component)
Natural Pearl
Calcium carbonate (primarily Aragonite and Conchiolin), CaCO3