Rock Identifier

Category

Not A Rock

Browse not a rock specimens identified by the Rock Identifier community.

Learn about Not A Rock in the encyclopedia

Rock Gypsum

Coral Rock

Rock Salt

Asphalt Rock

Calc-Silicate Rock

Calc-Silicate Rock

Talc-carbonate Rock

Talc-carbonate Rock

Cataclasite

Anorthosite

Peridotite

Gondite

Phosphorite

Epidosite

Not a rock (Not a rock) — Not a rock

Not a rock

Not a rock

Not a rock (Not a rock) — Not a rock

Not a rock

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)) — N/A

Not a geological specimen

N/A (man-made object)

Red jasper (Jasper, a microcrystalline variety of quartz (SiO₂), colored mainly by iron oxides) — mineral

Red jasper

Jasper, a microcrystalline variety of quartz (SiO₂), colored mainly by iron oxides

Tumbled jasper pebble (Jasper, an opaque microcrystalline variety of quartz (SiO₂), commonly colored by iron oxides and hydroxides) — mineral

Tumbled jasper pebble

Jasper, an opaque microcrystalline variety of quartz (SiO₂), commonly colored by iron oxides and hydroxides

Pink feldspar-rich granite (Granite, composed chiefly of quartz, potassium feldspar, and plagioclase, with minor mica or other minerals) — igneous

Pink feldspar-rich granite

Granite, composed chiefly of quartz, potassium feldspar, and plagioclase, with minor mica or other minerals

Synthetic Wolf Plush (Non-mineral) (Canis lupus similis (Prop material: Polyester & Synthetic fibers)) — Synthetic material/Textile

Synthetic Wolf Plush (Non-mineral)

Canis lupus similis (Prop material: Polyester & Synthetic fibers)

Synthetic material/Textile

Pearls (Pearl: biomineralized aragonite (CaCO₃) and conchiolin) — gemstone

Pearls

Pearl: biomineralized aragonite (CaCO₃) and conchiolin

Polished red jasper (Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored mainly by iron oxides) — mineral

Polished red jasper

Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored mainly by iron oxides

Tumbled red jasper (Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored mainly by iron oxides) — mineral

Tumbled red jasper

Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored mainly by iron oxides

Druzy quartz on matrix (Quartz (SiO₂), microcrystalline crystal coating) — mineral

Druzy quartz on matrix

Quartz (SiO₂), microcrystalline crystal coating

Lapis Lazuli (Low Grade) (Lazurite-rich metamorphic rock ((Na,Ca)8(AlSiO4)6(SO4,S,Cl,OH)2)) — metamorphic

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)) — sedimentary

Bauxite

Bauxite (Mixture of Hydrous Aluminum Oxides)

Chert (likely chalcedony-rich flint) (Microcrystalline quartz, SiO₂ (quartz/chalcedony)) — sedimentary

Chert (likely chalcedony-rich flint)

Microcrystalline quartz, SiO₂ (quartz/chalcedony)

Red-and-green jasper (Jasper, microcrystalline quartz (SiO₂), colored mainly by iron oxides and possibly chlorite/epidote) — mineral

Red-and-green jasper

Jasper, microcrystalline quartz (SiO₂), colored mainly by iron oxides and possibly chlorite/epidote

Weathered granitic rock fragment (Granite, likely quartz–feldspar–biotite aggregate) — igneous

Weathered granitic rock fragment

Granite, likely quartz–feldspar–biotite aggregate

Lapis Lazuli (Lapis lazuli (Complex silicate rock containing Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Calcite, and Pyrite)) — metamorphic

Lapis Lazuli

Lapis lazuli (Complex silicate rock containing Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Calcite, and Pyrite)

Pink granite (Granitic rock, chiefly quartz, alkali feldspar, plagioclase, and biotite/hornblende) — igneous

Pink granite

Granitic rock, chiefly quartz, alkali feldspar, plagioclase, and biotite/hornblende

Rounded pink granite cobble (Granite, chiefly quartz–alkali feldspar–plagioclase–biotite) — igneous

Rounded pink granite cobble

Granite, chiefly quartz–alkali feldspar–plagioclase–biotite

Bornite (“peacock ore”), likely weathered copper sulfide (Bornite, Cu₅FeS₄; possibly chalcopyrite, CuFeS₂, with iridescent tarnish) — mineral

Bornite (“peacock ore”), likely weathered copper sulfide

Bornite, Cu₅FeS₄; possibly chalcopyrite, CuFeS₂, with iridescent tarnish

Lapis Lazuli (Tumbled) (Lazurite-dominated contact metamorphic rock) — metamorphic

Lapis Lazuli (Tumbled)

Lazurite-dominated contact metamorphic rock

Bauxite (Bauxite (principal ore of aluminum, primarily Al(OH)3)) — sedimentary

Bauxite

Bauxite (principal ore of aluminum, primarily Al(OH)3)

Lapis Lazuli (Na8[Al6Si6O24]Sn (Lazurite-rich metamorphic rock)) — metamorphic

Lapis Lazuli

Na8[Al6Si6O24]Sn (Lazurite-rich metamorphic rock)

Lapis Lazuli (Lazurite-dominant Metamorphic Rock (complex aluminosilicate)) — metamorphic

Lapis Lazuli

Lazurite-dominant Metamorphic Rock (complex aluminosilicate)

Weathered granite or granitic gneiss pebble (Granite: quartz + feldspar + mica; possibly weakly foliated gneiss) — igneous

Weathered granite or granitic gneiss pebble

Granite: quartz + feldspar + mica; possibly weakly foliated gneiss

Bauxite (AlOx(OH)3-2x (mixture of Gibbsite, Boehmite, and Diaspore)) — sedimentary

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)) — metamorphic

Lapis Lazuli (Tumbled Stone)

Na6Ca2(Al6Si6O24)(SO4,S,Cl)2 (Lazulite-rich Metamorphic Rock)

Cowrie shell (Marine gastropod shell; likely a cowrie (family Cypraeidae), species not identifiable from the image) — fossil

Cowrie shell

Marine gastropod shell; likely a cowrie (family Cypraeidae), species not identifiable from the image

Bauxite (Bauxite (Al(OH)3, AlO(OH))) — sedimentary

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)) — metamorphic

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))) — sedimentary

Bauxite

Bauxite (Al(OH)3, AlO(OH))

Bauxite (Aluminium ore (Hydrated aluminium oxides AlOx(OH)3-2x)) — sedimentary

Bauxite

Aluminium ore (Hydrated aluminium oxides AlOx(OH)3-2x)

Metallic Ornament / Jewelry (N/A - This is an artificial object, not a geological specimen.) — This appears to be a man-made metallic object, likely jewelry, not a natural rock, mineral, or geological specimen.

Metallic Ornament / Jewelry

N/A - This is an artificial object, not a geological specimen.

This appears to be a man-made metallic object, likely jewelry, not a natural rock, mineral, or geological specimen.

Bauxite (Bauxite (Mixture of Al(OH)3, AlO(OH), and Fe2O3)) — sedimentary

Bauxite

Bauxite (Mixture of Al(OH)3, AlO(OH), and Fe2O3)

N/A (Non-Geological Specimen) — N/A

N/A (Non-Geological Specimen)

Marine gastropod shell (Calcium-carbonate shell, primarily aragonite; species cannot be determined from the image) — fossil

Marine gastropod shell

Calcium-carbonate shell, primarily aragonite; species cannot be determined from the image

Bauxite (Bauxite (mixture of Hydrous Aluminum Oxides)) — sedimentary

Bauxite

Bauxite (mixture of Hydrous Aluminum Oxides)

Note: Item is not a geological specimen (Guitar Components (Steel, Nickel, Plastic, Wood)) — Synthetic/Consumer Product

Note: Item is not a geological specimen

Guitar Components (Steel, Nickel, Plastic, Wood)

Synthetic/Consumer Product

Lapis Lazuli (Complex rock primarily containing Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2) — metamorphic

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) — metamorphic

Lapis Lazuli (Raw)

Lazurite-rich metamorphic rock; Na3Ca(Al3Si3O12)S

Fossilized ammonite (Ammonoidea (likely a small, chambered ammonite fossil)) — fossil

Fossilized ammonite

Ammonoidea (likely a small, chambered ammonite fossil)