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

Tiger's Eye (Silicon Dioxide (Quartz pseudomorph after crocidolite) - $SiO_2$) — mineral

Tiger's Eye

Silicon Dioxide (Quartz pseudomorph after crocidolite) - $SiO_2$

Green Aventurine (Silicon Dioxide (SiO2) with Fuchsite inclusions) — mineral

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Quartz (Citrine or Iron-stained variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Citrine or Iron-stained variety)

Silicon Dioxide (SiO2)

Pyrite in Quartzite/Graphite Matrix (Iron Sulfide (FeS2)) — Mineral

Pyrite in Quartzite/Graphite Matrix

Iron Sulfide (FeS2)

Quartz Geode (Silicon Dioxide (SiO2) in a concretionary structure) — sedimentary

Quartz Geode

Silicon Dioxide (SiO2) in a concretionary structure

Arfvedsonite (often mistakenly sold as Astrophyllite) (Arfvedsonite [Na3(Fe2+)4Fe3+Si8O22(OH)2]) — mineral

Arfvedsonite (often mistakenly sold as Astrophyllite)

Arfvedsonite [Na3(Fe2+)4Fe3+Si8O22(OH)2]

Garnet (Silicate mineral group (often Pyrope or Almandine in this color range)) — gemstone

Garnet

Silicate mineral group (often Pyrope or Almandine in this color range)

Clear Quartz (SiO2 (Silicon Dioxide)) — mineral

Clear Quartz

SiO2 (Silicon Dioxide)

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

Shark Tooth Fossil (Vertebrate fossilized tooth (Chondrichthyes)) — fossil

Shark Tooth Fossil

Vertebrate fossilized tooth (Chondrichthyes)

Cubic Zirconia (Simulated Diamond) (Cubic Zirconia (ZrO2)) — mineral

Cubic Zirconia (Simulated Diamond)

Cubic Zirconia (ZrO2)

Dalmation Stone (Dalmation Jasper) (Peralkaline Rock with Feldspar and Arfvedsonite) — igneous

Dalmation Stone (Dalmation Jasper)

Peralkaline Rock with Feldspar and Arfvedsonite

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

Smoky Quartz occurring with Feldspar

Silicon Dioxide (SiO2) with Potassium Aluminum Silicate (KAlSi3O8)

Banded Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Banded Chert

Microcrystalline Quartz (SiO2)

Tiger's Eye (Pseudomorph of Quartz after Crocidolite (SiO2)) — metamorphic

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2)

Jasper (Jasper (Silicate mineral, SiO2)) — sedimentary

Jasper

Jasper (Silicate mineral, SiO2)

Chert (Jasper variation) (Chert (Silicate mineral, SiO2)) — sedimentary

Chert (Jasper variation)

Chert (Silicate mineral, SiO2)

Weathered greenish rock fragment (Indeterminate; possibly epidote- or chlorite-bearing altered silicate rock) — mineral

Weathered greenish rock fragment

Indeterminate; possibly epidote- or chlorite-bearing altered silicate rock

Olivine (Peridot) (Olivine Group (Mg,Fe)2SiO4) — mineral

Olivine (Peridot)

Olivine Group (Mg,Fe)2SiO4

Quartz Geode (Quartz (SiO2) within a geode structure) — mineral

Quartz Geode

Quartz (SiO2) within a geode structure

Shark Tooth Fossil (Selachii fossil) — fossil

Shark Tooth Fossil

Selachii fossil

Fossil shell fragment (likely brachiopod or bivalve) (Indeterminate fossilized carbonate shell; likely Brachiopoda or Bivalvia) — fossil

Fossil shell fragment (likely brachiopod or bivalve)

Indeterminate fossilized carbonate shell; likely Brachiopoda or Bivalvia

Pyrite (Pseudomorph) (Iron Sulfide (FeS2)) — mineral

Pyrite (Pseudomorph)

Iron Sulfide (FeS2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

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

Tiger's Eye

Silicon Dioxide (Quartz pseudomorph after crocidolite)

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

Amethyst

SiO2 (Silicon Dioxide with Iron impurities)

Milky Quartz with inclusions (Silicon Dioxide (SiO2)) — mineral

Milky Quartz with inclusions

Silicon Dioxide (SiO2)

Pyrite in Matrix (Iron Sulfide (FeS2) embedded in host rock) — mineral

Pyrite in Matrix

Iron Sulfide (FeS2) embedded in host rock

Plume Agate or Moss Agate (Silicon dioxide (SiO2)) — Mineral

Plume Agate or Moss Agate

Silicon dioxide (SiO2)

Amber (Succinite (Fossilized Resin)) — fossil

Amber

Succinite (Fossilized Resin)

Eudialyte (Na15Ca6(Fe2+,Mn2+)3Zr3(Si,Nb)Si25O73(O,OH,H2O)3(Cl,OH)2) — mineral

Eudialyte

Na15Ca6(Fe2+,Mn2+)3Zr3(Si,Nb)Si25O73(O,OH,H2O)3(Cl,OH)2

Chrysocolla (with Quartz and Azurite) (Hydrated copper phyllosilicate mineral [Cu2-xAlx(H2-xSi2O5)(OH)4·n(H2O)]) — mineral

Chrysocolla (with Quartz and Azurite)

Hydrated copper phyllosilicate mineral [Cu2-xAlx(H2-xSi2O5)(OH)4·n(H2O)]

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

Quartz (Druzy)

Silicon Dioxide (SiO2)

Sodalite (Sodalite Na8(Al6Si6O24)Cl2) — mineral

Sodalite

Sodalite Na8(Al6Si6O24)Cl2

Peacock Ore (Bornite or Chalcopyrite) (Bornite (Cu₅FeS₄) or iridescent Chalcopyrite (CuFeS₂)) — mineral

Peacock Ore (Bornite or Chalcopyrite)

Bornite (Cu₅FeS₄) or iridescent Chalcopyrite (CuFeS₂)

Strawberry Quartz (or Pink Aventurine) (Quartz with Hematite/Goethite inclusions (SiO2)) — mineral

Strawberry Quartz (or Pink Aventurine)

Quartz with Hematite/Goethite inclusions (SiO2)

Carnelian (Carnelian (Cryptocrystalline variety of Quartz, SiO2)) — mineral

Carnelian

Carnelian (Cryptocrystalline variety of Quartz, SiO2)

Carnelian (Silicon dioxide (SiO2)) — mineral

Carnelian

Silicon dioxide (SiO2)

Carnelian (Carnelian (Chalcedony / Quartz variety, SiO2)) — mineral

Carnelian

Carnelian (Chalcedony / Quartz variety, SiO2)

Black Onyx (Silicon dioxide (SiO2)) — mineral

Black Onyx

Silicon dioxide (SiO2)

Jadeite (NaAlSi2O6 (Sodium Aluminum Silicate)) — mineral

Jadeite

NaAlSi2O6 (Sodium Aluminum Silicate)

Moonstone (Blue Flash) (Potassium Aluminum Silicate (KAlSi3O8), a variety of Orthoclase Feldspar) — mineral

Moonstone (Blue Flash)

Potassium Aluminum Silicate (KAlSi3O8), a variety of Orthoclase Feldspar