Rock Identifier

Category

Man Made Material (Jewelry, Metal Alloy)

Browse man made material (jewelry, metal alloy) specimens identified by the Rock Identifier community.

Learn about Man Made Material (Jewelry, Metal Alloy) in the encyclopedia

Opalite

Platinum

Gold

Copper

Silver

Goldstone

Blue Goldstone

Dunite

Zincite

Mint Obsidian

Crimson Obsidian

Lherzolite

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Diamond (Diamond (pure Carbon, C)) — mineral

Diamond

Diamond (pure Carbon, C)

Iron Meteorite (Siderite (Iron-Nickel Alloy), predominantly Kamacite and Taenite (Fe, Ni)) — mineral

Iron Meteorite

Siderite (Iron-Nickel Alloy), predominantly Kamacite and Taenite (Fe, Ni)

Dyed Blue Agate Slice (Silicon Dioxide (SiO2)) — mineral

Dyed Blue Agate Slice

Silicon Dioxide (SiO2)

Petoskey Stone (Hexagonaria percarinata (Fossilized Coral)) — sedimentary

Petoskey Stone

Hexagonaria percarinata (Fossilized Coral)

Amethyst (SiO2 (Silicon Dioxide with Iron impurities)) — mineral

Amethyst

SiO2 (Silicon Dioxide with Iron impurities)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Blue Calcite (Calcium Carbonate (CaCO3)) — mineral

Blue Calcite

Calcium Carbonate (CaCO3)

Diamond (in a metal ring setting) (Diamond (Pure Carbon, C)) — mineral

Diamond (in a metal ring setting)

Diamond (Pure Carbon, C)

Chalcedony (Agate/Chert variety) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Agate/Chert variety)

Silicon Dioxide (SiO2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Diamond (C (Pure Carbon)) — gemstone

Diamond

C (Pure Carbon)

Amethyst (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Dyed Blue Agate (Slab) (Agate (Variety of Chalcedony/Microcrystalline Quartz), SiO2) — mineral

Dyed Blue Agate (Slab)

Agate (Variety of Chalcedony/Microcrystalline Quartz), SiO2

Natural Pearl (appearing in a jewelry setting) (Calcium Carbonate (mostly Aragonite), CaCO3 with Conchiolin) — mineral

Natural Pearl (appearing in a jewelry setting)

Calcium Carbonate (mostly Aragonite), CaCO3 with Conchiolin

Gastropod shell fragment (Calcareous mollusk shell; primarily aragonite or calcite (CaCO₃)) — fossil

Gastropod shell fragment

Calcareous mollusk shell; primarily aragonite or calcite (CaCO₃)

Lava Rock (Dyed) (Basalt / Volcanic scoria) — igneous

Lava Rock (Dyed)

Basalt / Volcanic scoria

Goldstone and pink quartz bead strands (Goldstone is aventurescent copper-bearing glass; pink beads are likely rose quartz (SiO₂), though dyed or glass imitations are possible) — mineral

Goldstone and pink quartz bead strands

Goldstone is aventurescent copper-bearing glass; pink beads are likely rose quartz (SiO₂), though dyed or glass imitations are possible

Diamond (Native Carbon (C)) — mineral

Diamond

Native Carbon (C)

Mother of Pearl (Nacre) (Calcium Carbonate (Aragonite) with organic conchiolin) — gemstone

Mother of Pearl (Nacre)

Calcium Carbonate (Aragonite) with organic conchiolin

Quartz (Smoky Quartz variant) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky Quartz variant)

Silicon Dioxide (SiO2)

Fossilized Shark Tooth (Fragment) (Elasmobranchii gen. et sp. indet. (Calcium Phosphate / Apatite fossil)) — fossil

Fossilized Shark Tooth (Fragment)

Elasmobranchii gen. et sp. indet. (Calcium Phosphate / Apatite fossil)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Iron-Nickel Meteorite (Possible Chondrite or Oxidized Iron) (Siderite (Nickel-Iron) or Chondrite (Si/Fe composite)) — igneous

Iron-Nickel Meteorite (Possible Chondrite or Oxidized Iron)

Siderite (Nickel-Iron) or Chondrite (Si/Fe composite)

Diamond (in a jewelry setting) (Carbon (C)) — mineral

Diamond (in a jewelry setting)

Carbon (C)

Blue Slag Glass (Amorphous Silica (Industrial byproduct)) — Antropogenic (Man-made glass byproduct)

Blue Slag Glass

Amorphous Silica (Industrial byproduct)

Antropogenic (Man-made glass byproduct)

Pyrite (Fool's Gold) (Iron Sulfide (FeS2)) — mineral

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Imperial Jasper (Silicon Dioxide (SiO2) - Microcrystalline Quartz with Mineral Inclusions) — Sedimentary

Imperial Jasper

Silicon Dioxide (SiO2) - Microcrystalline Quartz with Mineral Inclusions

Crinoid Columnal Fossil in Chert (Crinoidea stemming section in Microcrystalline Quartz (SiO2)) — fossil

Crinoid Columnal Fossil in Chert

Crinoidea stemming section in Microcrystalline Quartz (SiO2)

Amethyst (Silicon Dioxide (SiO2)) — mineral

Amethyst

Silicon Dioxide (SiO2)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Gold and Silver (in jewelry form) (Gold (Au) and Silver (Ag)) — mineral

Gold and Silver (in jewelry form)

Gold (Au) and Silver (Ag)

Rutilated Quartz (Quartz with Rutile inclusions (SiO2 with TiO2)) — mineral

Rutilated Quartz

Quartz with Rutile inclusions (SiO2 with TiO2)

Sea Glass (Uranium/Vaseline Glass variant) (Silicon Dioxide (SiO2) with trace Uranium Oxide (U3O8)) — man-made silicate (anthropogenic glass)

Sea Glass (Uranium/Vaseline Glass variant)

Silicon Dioxide (SiO2) with trace Uranium Oxide (U3O8)

man-made silicate (anthropogenic glass)

Pearl (Calcium Carbonate (mostly Aragonite), CaCO3 (with conchiolin)) — mineral

Pearl

Calcium Carbonate (mostly Aragonite), CaCO3 (with conchiolin)

Fossilized Shark Tooth (Sand Tiger) (Carcharias sp. (Fossilized Tooth)) — fossil

Fossilized Shark Tooth (Sand Tiger)

Carcharias sp. (Fossilized Tooth)

Nephrite Jade (Ca2(Mg, Fe)5Si8O22(OH)2) — metamorphic

Nephrite Jade

Ca2(Mg, Fe)5Si8O22(OH)2

Blue Sapphire (Corundum (Al2O3 with trace amounts of iron and titanium)) — mineral

Blue Sapphire

Corundum (Al2O3 with trace amounts of iron and titanium)

Tumbled sodalite with white calcite veining (Sodalite, Na8(Al6Si6O24)Cl2, commonly intergrown with calcite, CaCO3) — mineral

Tumbled sodalite with white calcite veining

Sodalite, Na8(Al6Si6O24)Cl2, commonly intergrown with calcite, CaCO3

Milky Quartz (Crystalline Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

Gold-bearing Quartz (Auriferous Quartz (SiO2 with Native Gold inclusion)) — mineral

Gold-bearing Quartz

Auriferous Quartz (SiO2 with Native Gold inclusion)

Chert (Quartz Variety) (Chert (Silicon Dioxide, SiO2)) — sedimentary

Chert (Quartz Variety)

Chert (Silicon Dioxide, SiO2)