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

Jasper (Iron-stained Chert) (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Jasper (Iron-stained Chert)

Silicon Dioxide (SiO2) with iron oxide inclusions

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

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

Milky Quartz Pebble

Silicon Dioxide (SiO2)

Polished green aventurine (Quartzite dominated by quartz (SiO₂), colored by fuchsite mica and/or iron-bearing inclusions) — mineral

Polished green aventurine

Quartzite dominated by quartz (SiO₂), colored by fuchsite mica and/or iron-bearing inclusions

Sapphire (Corundum (Al2O3)) — gemstone

Sapphire

Corundum (Al2O3)

Polished crescent-shaped stone pendant (Likely black jade, basalt, or other dark silicate stone; exact identification requires testing) — mineral

Polished crescent-shaped stone pendant

Likely black jade, basalt, or other dark silicate stone; exact identification requires testing

Blue Lace Agate (Silicon Dioxide (SiO2)) — mineral

Blue Lace Agate

Silicon Dioxide (SiO2)

Jasper (Mookaite style) (Silicon Dioxide (SiO2) with iron and manganese inclusions) — sedimentary

Jasper (Mookaite style)

Silicon Dioxide (SiO2) with iron and manganese inclusions

Zebra Jasper (Zebra Stone) (Tumbled Silicon Dioxide (SiO2) with impurities) — sedimentary

Zebra Jasper (Zebra Stone)

Tumbled Silicon Dioxide (SiO2) with impurities

Snowflake Obsidian (Obsidian with Cristobalite inclusions (Amorphous SiO2 + SiO2 inclusions)) — igneous

Snowflake Obsidian

Obsidian with Cristobalite inclusions (Amorphous SiO2 + SiO2 inclusions)

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

Citrine

Silicon Dioxide (SiO2) with iron impurities

Fossilized Shark Tooth (Chondrichthyes tooth) — fossil

Fossilized Shark Tooth

Chondrichthyes tooth

Fossilized Horse Tooth (Equus sp. (fossilized molar)) — fossil

Fossilized Horse Tooth

Equus sp. (fossilized molar)

Petrified Wood Fragment (Silicified Wood (SiO2)) — fossil

Petrified Wood Fragment

Silicified Wood (SiO2)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Chert (Chert Nodule) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert (Chert Nodule)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Flint (Chert) (Silicon Dioxide (SiO2)) — sedimentary

Flint (Chert)

Silicon Dioxide (SiO2)

Shark Tooth Fossil (Carcharodon / Otodus fossilized tooth (Calcium Phosphate / Hydroxyapatite)) — fossil

Shark Tooth Fossil

Carcharodon / Otodus fossilized tooth (Calcium Phosphate / Hydroxyapatite)

Petrified Wood (Siliconized Wood (SiO2)) — sedimentary

Petrified Wood

Siliconized Wood (SiO2)

Turquoise Beads (CuAl6(PO4)4(OH)8·4H2O) — gemstone

Turquoise Beads

CuAl6(PO4)4(OH)8·4H2O

Emerald (Rough) (Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)) — mineral

Emerald (Rough)

Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)

Raw Amber / Resin Mineral (Succinite (Fossilized Tree Resin)) — gemstone

Raw Amber / Resin Mineral

Succinite (Fossilized Tree Resin)

Blue Topaz (Al2SiO4(F,OH)2) — mineral

Blue Topaz

Al2SiO4(F,OH)2

Green Moss Agate (Silicon Dioxide with inclusions (SiO2)) — sedimentary

Green Moss Agate

Silicon Dioxide with inclusions (SiO2)

Smoky Quartz with Feldspar (Silicon Dioxide (SiO2) with Potassium Feldspar (KAlSi3O8)) — mineral

Smoky Quartz with Feldspar

Silicon Dioxide (SiO2) with Potassium Feldspar (KAlSi3O8)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Fossil Shark Tooth (Otodus sp. (likely Otodus obliquus) fossil) — fossil

Fossil Shark Tooth

Otodus sp. (likely Otodus obliquus) fossil

Chert (Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Flint)

Microcrystalline Quartz (SiO2)

Tumbled amethyst (Quartz, silicon dioxide (SiO₂), purple variety colored mainly by iron impurities and irradiation) — mineral

Tumbled amethyst

Quartz, silicon dioxide (SiO₂), purple variety colored mainly by iron impurities and irradiation

Chert (varietal Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (varietal Flint)

Silicon Dioxide (SiO2)

Chert (Flint) (Chert (Silicon Dioxide, SiO2)) — sedimentary

Chert (Flint)

Chert (Silicon Dioxide, SiO2)

Chondrite Meteorite (Stony Meteorite (L, H, or LL Chondrite)) — igneous

Chondrite Meteorite

Stony Meteorite (L, H, or LL Chondrite)

Diamond (Macled/Crystal fragment) (Carbon (C), isometric crystal system) — mineral

Diamond (Macled/Crystal fragment)

Carbon (C), isometric crystal system

Fossilized Coral (Petrified Coral) (Lithostrotionella (example genus) / Scleractinia) — fossil

Fossilized Coral (Petrified Coral)

Lithostrotionella (example genus) / Scleractinia

Blue Chalcedony (Chalcedony (SiO2)) — mineral

Blue Chalcedony

Chalcedony (SiO2)

Fossil Shark Teeth (likely Sand Tiger Shark) (Carcharias taurus (fossilized dentition)) — fossil

Fossil Shark Teeth (likely Sand Tiger Shark)

Carcharias taurus (fossilized dentition)

Petrified Wood (Silicified Wood (mainly Quartz / SiO2)) — fossil

Petrified Wood

Silicified Wood (mainly Quartz / SiO2)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Red Jasper (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Small polished dark mineral or gemstone fragment (Indeterminate; possibly smoky quartz, obsidian, or dark tourmaline) — mineral

Small polished dark mineral or gemstone fragment

Indeterminate; possibly smoky quartz, obsidian, or dark tourmaline

Fossilized Shark Tooth (Chondrichthyes (Class)) — fossil

Fossilized Shark Tooth

Chondrichthyes (Class)