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

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

Amethyst (as seen in jewelry)

Silicon Dioxide (SiO2) with iron impurities

Prehnite (Prehnite, Ca2Al(AlSi3O10)(OH)2) — mineral

Prehnite

Prehnite, Ca2Al(AlSi3O10)(OH)2

Blue-green copper mineral (possibly chrysocolla or turquoise) (Undetermined from the image; chrysocolla is a hydrated copper silicate, Cu₂H₂O₅Si, while turquoise is CuAl₆(PO₄)₄(OH)₈·4H₂O) — mineral

Blue-green copper mineral (possibly chrysocolla or turquoise)

Undetermined from the image; chrysocolla is a hydrated copper silicate, Cu₂H₂O₅Si, while turquoise is CuAl₆(PO₄)₄(OH)₈·4H₂O

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

Epidote

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

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

Epidote

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

Granitic Pegmatite with Schorl Tourmaline (Granitic Pegmatite (Schorl: NaFe3Al6(BO3)3Si6O18(OH)4)) — igneous

Granitic Pegmatite with Schorl Tourmaline

Granitic Pegmatite (Schorl: NaFe3Al6(BO3)3Si6O18(OH)4)

Aventurine (Quartz with Fuchsite inclusions (SiO2)) — mineral

Aventurine

Quartz with Fuchsite inclusions (SiO2)

Polished agate pendant (Agate, a banded variety of microcrystalline quartz (SiO₂)) — mineral

Polished agate pendant

Agate, a banded variety of microcrystalline quartz (SiO₂)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Beaded gemstone jewelry (likely amethyst, lapis lazuli, and pearl or glass imitation) (Mixed mineral beads; possible quartz (SiO₂) and lazurite-bearing lapis lazuli) — gemstone

Beaded gemstone jewelry (likely amethyst, lapis lazuli, and pearl or glass imitation)

Mixed mineral beads; possible quartz (SiO₂) and lazurite-bearing lapis lazuli

Tiger's Eye (Silicon Dioxide (SiO2) with fibrous inclusions) — mineral

Tiger's Eye

Silicon Dioxide (SiO2) with fibrous inclusions

Rough red garnets (Garnet-group minerals, likely almandine (Fe₃Al₂(SiO₄)₃) or pyrope–almandine; species cannot be confirmed from the photo alone) — gemstone

Rough red garnets

Garnet-group minerals, likely almandine (Fe₃Al₂(SiO₄)₃) or pyrope–almandine; species cannot be confirmed from the photo alone

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Moonstone (Orthoclase feldspar (KAlSi3O8)) — mineral

Moonstone

Orthoclase feldspar (KAlSi3O8)

Rose Quartz (Silicon Dioxide (SiO2)) — mineral

Rose Quartz

Silicon Dioxide (SiO2)

Tiger’s-eye bracelet/bead segment (Chatoyant quartz (SiO₂), likely brown tiger’s-eye with iron-oxide alteration) — mineral

Tiger’s-eye bracelet/bead segment

Chatoyant quartz (SiO₂), likely brown tiger’s-eye with iron-oxide alteration

Green Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Green Jasper

Microcrystalline Quartz (SiO2)

Native Gold (Gold (Au)) — mineral

Native Gold

Gold (Au)

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

Rainbow Fluorite

Fluorite (Calcium Fluoride, CaF2)

Green Aventurine (Quartz with fuchsite inclusions (SiO2)) — mineral

Green Aventurine

Quartz with fuchsite inclusions (SiO2)

Malachite (Copper Carbonate Hydroxide, Cu2CO3(OH)2) — mineral

Malachite

Copper Carbonate Hydroxide, Cu2CO3(OH)2

Silver (S925) (Native Silver (Ag)) — mineral

Silver (S925)

Native Silver (Ag)

Lapis Lazuli (Na8(Al6Si6O24)S2 (Lazurite is the primary constituent mineral)) — metamorphic

Lapis Lazuli

Na8(Al6Si6O24)S2 (Lazurite is the primary constituent mineral)

Amethyst with Quartz Cluster (Silicon Dioxide (SiO2)) — mineral

Amethyst with Quartz Cluster

Silicon Dioxide (SiO2)

Pyrite with Quartz (Iron Sulfide (FeS2) with Silicon Dioxide (SiO2)) — mineral

Pyrite with Quartz

Iron Sulfide (FeS2) with Silicon Dioxide (SiO2)

Polished garnet beads (Garnet group, commonly almandine–pyrope solid solution (approximately Fe₃Al₂(SiO₄)₃–Mg₃Al₂(SiO₄)₃)) — gemstone

Polished garnet beads

Garnet group, commonly almandine–pyrope solid solution (approximately Fe₃Al₂(SiO₄)₃–Mg₃Al₂(SiO₄)₃)

Cubic Zirconia (Jewelry Setting) (Zirconium Dioxide (ZrO2)) — gemstone

Cubic Zirconia (Jewelry Setting)

Zirconium Dioxide (ZrO2)

Green Aventurine (Quartz (SiO2) with fuchsite inclusions) — mineral

Green Aventurine

Quartz (SiO2) with fuchsite inclusions

Turquoise and Hematite (Turquoise (CuAl6(PO4)4(OH)8·4H2O) and Hematite (Fe2O3)) — mineral

Turquoise and Hematite

Turquoise (CuAl6(PO4)4(OH)8·4H2O) and Hematite (Fe2O3)

Iron (Hematite variety) (Iron (Fe) / Hematite (Fe2O3)) — mineral

Iron (Hematite variety)

Iron (Fe) / Hematite (Fe2O3)

Likely blue mineral or tumbled stone (Unidentified; the image is too blurry for reliable identification) — mineral

Likely blue mineral or tumbled stone

Unidentified; the image is too blurry for reliable identification

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

Chalcedony (Botryoidal)

Silicon Dioxide (SiO2)

Cream Quartz Bead (Silicon Dioxide (SiO2)) — mineral

Cream Quartz Bead

Silicon Dioxide (SiO2)

Blue Apatite (Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)) — mineral

Blue Apatite

Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)

Chrysoprase (green chalcedony), likely rough fragment (Chalcedony, microcrystalline quartz (SiO₂), colored green primarily by nickel-bearing inclusions) — mineral

Chrysoprase (green chalcedony), likely rough fragment

Chalcedony, microcrystalline quartz (SiO₂), colored green primarily by nickel-bearing inclusions

Carnelian (Chalcedony (SiO2)) — mineral

Carnelian

Chalcedony (SiO2)

Turquoise (Hydrated phosphate of copper and aluminum, CuAl6(PO4)4(OH)8·4H2O) — mineral

Turquoise

Hydrated phosphate of copper and aluminum, CuAl6(PO4)4(OH)8·4H2O

Pearl (Cultured Freshwater) (Calcium Carbonate (Aragonite) - CaCO3) — mineral

Pearl (Cultured Freshwater)

Calcium Carbonate (Aragonite) - CaCO3

Banded Quartz (Silicon Dioxide (SiO2)) — mineral

Banded Quartz

Silicon Dioxide (SiO2)

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

Clear quartz crystal pendant

Quartz (silicon dioxide, SiO₂)

Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

Beaded bracelet with likely quartz or glass beads (Uncertain; the pale beads may be quartz (SiO₂), but the image does not show diagnostic features) — mineral

Beaded bracelet with likely quartz or glass beads

Uncertain; the pale beads may be quartz (SiO₂), but the image does not show diagnostic features