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

Dumortierite in Quartz (Dumortierite (Al7BO3(SiO4)3O3) enclosed in Quartz (SiO2)) — mineral

Dumortierite in Quartz

Dumortierite (Al7BO3(SiO4)3O3) enclosed in Quartz (SiO2)

Prehnite (Prehnite, Ca2Al2Si3O10(OH)2) — mineral

Prehnite

Prehnite, Ca2Al2Si3O10(OH)2

Chalcedony (Tumbled) (Cryptocrystalline Quartz (SiO2)) — mineral

Chalcedony (Tumbled)

Cryptocrystalline Quartz (SiO2)

Silver (Jewelry Specimen) (Native Silver (Chemical Formula: Ag)) — mineral

Silver (Jewelry Specimen)

Native Silver (Chemical Formula: Ag)

Fossilized tooth, likely mammalian molar (Silicified or mineral-replaced mammalian tooth; exact taxon cannot be determined from the image) — fossil

Fossilized tooth, likely mammalian molar

Silicified or mineral-replaced mammalian tooth; exact taxon cannot be determined from the image

Dalmatian Jasper (Microcrystalline Quartz with Arfvedsonite and Tourmaline inclusions) — igneous

Dalmatian Jasper

Microcrystalline Quartz with Arfvedsonite and Tourmaline inclusions

Snowflake Obsidian (Volcanic Glass (SiO2 rich with Cristobalite inclusions)) — igneous

Snowflake Obsidian

Volcanic Glass (SiO2 rich with Cristobalite inclusions)

Black onyx-style bead bracelet (Likely polished black chalcedony (microcrystalline quartz, SiO₂); the beads may also be dyed agate or another black stone.) — mineral

Black onyx-style bead bracelet

Likely polished black chalcedony (microcrystalline quartz, SiO₂); the beads may also be dyed agate or another black stone.

Turquoise-colored bead necklace (likely dyed howlite or magnesite) (Likely dyed Ca₂B₅SiO₉(OH)₅ (howlite) or MgCO₃ (magnesite); turquoise is CuAl₆(PO₄)₄(OH)₈·4H₂O) — mineral

Turquoise-colored bead necklace (likely dyed howlite or magnesite)

Likely dyed Ca₂B₅SiO₉(OH)₅ (howlite) or MgCO₃ (magnesite); turquoise is CuAl₆(PO₄)₄(OH)₈·4H₂O

Mood Ring Stone (Liquid crystal thermotropic polymer) — mineral

Mood Ring Stone

Liquid crystal thermotropic polymer

Poppy Jasper (Silicon Dioxide (SiO2) with Hematite and Iron Oxide inclusions) — sedimentary

Poppy Jasper

Silicon Dioxide (SiO2) with Hematite and Iron Oxide inclusions

Cat's Eye Chrysoberyl (Chrysoberyl (BeAl2O4)) — mineral

Cat's Eye Chrysoberyl

Chrysoberyl (BeAl2O4)

Petrified Wood (Silicified wood (SiO2)) — sedimentary

Petrified Wood

Silicified wood (SiO2)

Blue-green mineral fragment, possibly turquoise (Unidentified copper-bearing mineral; turquoise is CuAl₆(PO₄)₄(OH)₈·4H₂O) — mineral

Blue-green mineral fragment, possibly turquoise

Unidentified copper-bearing mineral; turquoise is CuAl₆(PO₄)₄(OH)₈·4H₂O

Lapis Lazuli ((Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2 (Complex silicate rock)) — metamorphic

Lapis Lazuli

(Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2 (Complex silicate rock)

Lapis Lazuli (Lapis Lazuli (A complex rock primarily composed of Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)) — metamorphic

Lapis Lazuli

Lapis Lazuli (A complex rock primarily composed of Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)

Carnelian (Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Carnelian (Chalcedony)

Silicon Dioxide (SiO2)

Quartz (Tumbled) (SiO2 (Silicon Dioxide)) — mineral

Quartz (Tumbled)

SiO2 (Silicon Dioxide)

Pyrite Sun (Iron Sulfide (FeS2)) — mineral

Pyrite Sun

Iron Sulfide (FeS2)

Tourmaline (Complex boron silicate, (Na,Ca)(Al,Fe,Li)_3Al_6(BO_3)_3Si_6O_18(OH)_4) — mineral

Tourmaline

Complex boron silicate, (Na,Ca)(Al,Fe,Li)_3Al_6(BO_3)_3Si_6O_18(OH)_4

Moonstone (Orthoclase (KAlSi3O8) or Albite (NaAlSi3O8)) — gemstone

Moonstone

Orthoclase (KAlSi3O8) or Albite (NaAlSi3O8)

Aquamarine (Beryl (Be3Al2(SiO3)6)) — gemstone

Aquamarine

Beryl (Be3Al2(SiO3)6)

Agate Nodule (Silicon Dioxide (SiO2)) — sedimentary

Agate Nodule

Silicon Dioxide (SiO2)

Jasper (Silicon Dioxide (Microcrystalline Quartz)) — sedimentary

Jasper

Silicon Dioxide (Microcrystalline Quartz)

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Quartz with inclusions (Silicon dioxide (SiO2) with mineral inclusions) — mineral

Quartz with inclusions

Silicon dioxide (SiO2) with mineral inclusions

Pink Fire Quartz (Quartz (SiO2) with Hematite or Lepidocrocite inclusions) — mineral

Pink Fire Quartz

Quartz (SiO2) with Hematite or Lepidocrocite inclusions

Amethyst (Silicon Dioxide (SiO2)) — mineral

Amethyst

Silicon Dioxide (SiO2)

Mookaite Jasper (SiO2 (Silicon Dioxide with impurities)) — sedimentary

Mookaite Jasper

SiO2 (Silicon Dioxide with impurities)

Amazonite (Microcline feldspar (KAlSi3O8)) — mineral

Amazonite

Microcline feldspar (KAlSi3O8)

Fossil Coral (Hexagonaria (agatized coral)) — fossil

Fossil Coral

Hexagonaria (agatized coral)

Pink Banded Agate (Silicon dioxide (SiO2) microcrystalline quartz) — sedimentary

Pink Banded Agate

Silicon dioxide (SiO2) microcrystalline quartz

Carnelian Agate (Silicon Dioxide (SiO2), microcrystalline quartz variety) — sedimentary

Carnelian Agate

Silicon Dioxide (SiO2), microcrystalline quartz variety

Jasper (Silicon dioxide (SiO2) microcrystalline quartz) — sedimentary

Jasper

Silicon dioxide (SiO2) microcrystalline quartz

Ammonite (Ammonoidea) — fossil

Ammonite

Ammonoidea

Amethyst (Silicon Dioxide, Quartz variety (SiO2)) — gemstone

Amethyst

Silicon Dioxide, Quartz variety (SiO2)

Fire Opal (Hydrated amorphous silica (SiO2·nH2O)) — gemstone

Fire Opal

Hydrated amorphous silica (SiO2·nH2O)

Morganite (Beryl (Be3Al2(SiO3)6)) — gemstone

Morganite

Beryl (Be3Al2(SiO3)6)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Fossil Coral (Rugosa or Scleractinia (Agatized Coral)) — fossil

Fossil Coral

Rugosa or Scleractinia (Agatized Coral)

Petrified Wood (Silicified Wood (SiO2)) — fossil

Petrified Wood

Silicified Wood (SiO2)

Opal (Hydrated amorphous silica (SiO2·nH2O)) — gemstone

Opal

Hydrated amorphous silica (SiO2·nH2O)