Rock Identifier

Category

Mineral, Jewelry

Browse mineral, jewelry specimens identified by the Rock Identifier community.

Learn about Mineral, Jewelry in the encyclopedia

Glauconite

Hutcheonite

Halite

Sperrylite

Baddeleyite

Anatase

Brookite

Talc

Euxenite

Eltyubyuite

Buergerite

Dolomite

Gold and Diamond Jewelry (Native Gold (Au) and Diamond (C)) — mineral

Gold and Diamond Jewelry

Native Gold (Au) and Diamond (C)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Diamond (set in jewelry) (Carbon (C)) — gemstone

Diamond (set in jewelry)

Carbon (C)

Likely rough garnet (Garnet group, possibly almandine (Fe₃Al₂(SiO₄)₃); identification is uncertain from the image) — mineral

Likely rough garnet

Garnet group, possibly almandine (Fe₃Al₂(SiO₄)₃); identification is uncertain from the image

Blue opalite glass (likely man-made) (Opalite glass; a silica-based amorphous glass, not natural opal) — mineral

Blue opalite glass (likely man-made)

Opalite glass; a silica-based amorphous glass, not natural opal

Clear quartz (rough quartz crystal) (Quartz, silicon dioxide (SiO₂)) — mineral

Clear quartz (rough quartz crystal)

Quartz, silicon dioxide (SiO₂)

Howlite (Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)) — mineral

Howlite

Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)

Yellow Quartz (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz

Silicon Dioxide (SiO2)

Tiger's Eye (Quartz pseudomorph after crocidolite (SiO2)) — gemstone

Tiger's Eye

Quartz pseudomorph after crocidolite (SiO2)

Gemstone ring (stone not identifiable) (Unknown; the small central stone may be a colorless gemstone or glass, and the surrounding metal is gold-colored alloy) — gemstone

Gemstone ring (stone not identifiable)

Unknown; the small central stone may be a colorless gemstone or glass, and the surrounding metal is gold-colored alloy

Green Fluorite (likely synthetic or heat-treated for jewelry) (Calcium Fluoride (CaF2)) — mineral

Green Fluorite (likely synthetic or heat-treated for jewelry)

Calcium Fluoride (CaF2)

Peacock Ore (Bornite or Iridescent Chalcopyrite) (Bornite (Cu5FeS4) or Acid-treated Chalcopyrite (CuFeS2)) — mineral

Peacock Ore (Bornite or Iridescent Chalcopyrite)

Bornite (Cu5FeS4) or Acid-treated Chalcopyrite (CuFeS2)

Turquoise (small rough fragment) (Turquoise, hydrous copper aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O) — mineral

Turquoise (small rough fragment)

Turquoise, hydrous copper aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O

Green jade-like cabochon pendant (Unidentified green gem; possibly jadeite (NaAlSi₂O₆) or nephrite (Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂)) — gemstone

Green jade-like cabochon pendant

Unidentified green gem; possibly jadeite (NaAlSi₂O₆) or nephrite (Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂)

Mother of Pearl (Nacre (Aragonite and Conchiolin)) — fossil

Mother of Pearl

Nacre (Aragonite and Conchiolin)

White Howlite (Howlite (Ca2B5SiO9(OH)5)) — mineral

White Howlite

Howlite (Ca2B5SiO9(OH)5)

Unidentified polished mineral specimen (Indeterminate; likely a pale feldspar or quartz-bearing material) — mineral

Unidentified polished mineral specimen

Indeterminate; likely a pale feldspar or quartz-bearing material

Turquoise (CuAl6(PO4)4(OH)8·4H2O) — mineral

Turquoise

CuAl6(PO4)4(OH)8·4H2O

Fluorite (Fluorite (Calcium Fluoride, CaF2)) — mineral

Fluorite

Fluorite (Calcium Fluoride, CaF2)

Small weathered fossil or mineral fragment (Indeterminate; possibly fossilized shell, bone, or a pale carbonate mineral) — fossil

Small weathered fossil or mineral fragment

Indeterminate; possibly fossilized shell, bone, or a pale carbonate mineral

Lepidolite (K(Li,Al)3(Si,Al)4O10(F,OH)2) — mineral

Lepidolite

K(Li,Al)3(Si,Al)4O10(F,OH)2

Epidote (Epidote (Ca2(Al, Fe)3(SiO4)3(OH))) — mineral

Epidote

Epidote (Ca2(Al, Fe)3(SiO4)3(OH))

Black beaded bracelet, likely black onyx or glass (Possibly chalcedony (microcrystalline quartz, SiO₂); the beads may instead be man-made glass) — mineral

Black beaded bracelet, likely black onyx or glass

Possibly chalcedony (microcrystalline quartz, SiO₂); the beads may instead be man-made glass

Polished green tumbled stone, likely serpentine (Serpentinite (rock composed chiefly of serpentine-group minerals, approximately Mg₃Si₂O₅(OH)₄)) — metamorphic

Polished green tumbled stone, likely serpentine

Serpentinite (rock composed chiefly of serpentine-group minerals, approximately Mg₃Si₂O₅(OH)₄)

Cubic Zirconia (in Jewelry) (Zirconium Dioxide (ZrO2)) — mineral

Cubic Zirconia (in Jewelry)

Zirconium Dioxide (ZrO2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Moonstone (Orthoclase (Potassium Feldspar), (K,Na)AlSi3O8) — mineral

Moonstone

Orthoclase (Potassium Feldspar), (K,Na)AlSi3O8

Clear quartz crystal pendant (Quartz (silicon dioxide, SiO₂)) — mineral

Clear quartz crystal pendant

Quartz (silicon dioxide, SiO₂)

Diamond (in jewelry) (Element Carbon (C)) — mineral

Diamond (in jewelry)

Element Carbon (C)

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

Amethyst (in jewelry)

Silicon Dioxide (SiO2) with iron impurities

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

Diamond (in jewelry)

Carbon (C)

Diamond (in jewelry) (Cubic Carbon (C)) — mineral

Diamond (in jewelry)

Cubic Carbon (C)

Diamond (in jewelry) (Diamond (Carbon, C)) — mineral

Diamond (in jewelry)

Diamond (Carbon, C)

Diamond (in Jewelry) (Diamond (Carbon, C)) — mineral

Diamond (in Jewelry)

Diamond (Carbon, C)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Dyed blue howlite or magnesite cabochon (Howlite (Ca₂B₅SiO₉(OH)₅), possibly magnesite (MgCO₃), artificially dyed blue) — mineral

Dyed blue howlite or magnesite cabochon

Howlite (Ca₂B₅SiO₉(OH)₅), possibly magnesite (MgCO₃), artificially dyed blue

Fossil Shark Tooth (Carcharodon or Carcharias fossil (Vertebrate Fossil)) — sedimentary

Fossil Shark Tooth

Carcharodon or Carcharias fossil (Vertebrate Fossil)

Fossil Shark Tooth (Chondrichthyes (class)) — fossil

Fossil Shark Tooth

Chondrichthyes (class)

Yellow Topaz (Al2SiO4(F,OH)2) — gemstone

Yellow Topaz

Al2SiO4(F,OH)2

Quartz pebble (Silicon dioxide (SiO2)) — sedimentary

Quartz pebble

Silicon dioxide (SiO2)

Mixed Gemstone and Mineral Collection (Mixed Silica and Carbonate minerals (SiO2, CaSO4·2H2O, etc.)) — mineral

Mixed Gemstone and Mineral Collection

Mixed Silica and Carbonate minerals (SiO2, CaSO4·2H2O, etc.)