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

Almandine Garnet (Almandine, Fe3Al2(SiO4)3) — mineral

Almandine Garnet

Almandine, Fe3Al2(SiO4)3

Quartz (Iron-stained) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Tektite (Impactite (Natural Silicate Glass)) — meteorite

Tektite

Impactite (Natural Silicate Glass)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Agate (Silicon dioxide (Chalcedony), SiO2) — gemstone

Agate

Silicon dioxide (Chalcedony), SiO2

Pyrite Cube in Matrix (Iron Sulfide (FeS2)) — mineral

Pyrite Cube in Matrix

Iron Sulfide (FeS2)

Chocolate Jasper (Microcrystalline Quartz (SiO2) with impurities) — sedimentary

Chocolate Jasper

Microcrystalline Quartz (SiO2) with impurities

Amethyst (or Rose Quartz) (Silicon Dioxide (SiO2)) — mineral

Amethyst (or Rose Quartz)

Silicon Dioxide (SiO2)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Gold Nugget / Placer Gold (Native Gold (Au)) — mineral

Gold Nugget / Placer Gold

Native Gold (Au)

Carnelian (Tumbled Quartz/Chalcedony Pebble) (Silicon Dioxide (SiO2)) — mineral

Carnelian (Tumbled Quartz/Chalcedony Pebble)

Silicon Dioxide (SiO2)

Moonstone (Feldspar) (Orthoclase Feldspar KAlSi3O8 / Albite NaAlSi3O8) — gemstone

Moonstone (Feldspar)

Orthoclase Feldspar KAlSi3O8 / Albite NaAlSi3O8

Raw Sunstone (Sunstone (Feldspar variety, (Ca,Na)((Al,Si)2Si2O8))) — mineral

Raw Sunstone

Sunstone (Feldspar variety, (Ca,Na)((Al,Si)2Si2O8))

Imperial Topaz (Al2SiO4(F,OH)2) — mineral

Imperial Topaz

Al2SiO4(F,OH)2

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

Citrine Geode Fragment

Silicon Dioxide (SiO2) with iron impurities

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

Amethyst

Quartz (Silicon Dioxide with Iron impurities), SiO2

Green Jasper (Microcrystalline Quartz (Chalcedony), SiO2) — sedimentary

Green Jasper

Microcrystalline Quartz (Chalcedony), SiO2

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

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

Tumbled Amethyst

Quartz (Silicon Dioxide, SiO2)

Tiger Iron (Composite rock (Quartz, Tiger's Eye, Hematite, and Jasper)) — metamorphic

Tiger Iron

Composite rock (Quartz, Tiger's Eye, Hematite, and Jasper)

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

Epidote

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

Tumbled Agate (Silicon Dioxide (SiO2)) — gemstone

Tumbled Agate

Silicon Dioxide (SiO2)

Hemimorphite or Red Quartz (SiO2 (Quartz) / Zn4Si2O7(OH)2·H2O (Hemimorphite)) — mineral

Hemimorphite or Red Quartz

SiO2 (Quartz) / Zn4Si2O7(OH)2·H2O (Hemimorphite)

Lake Superior Agate (Silicon Dioxide (Chalcedony/Quartz), formula SiO2) — mineral

Lake Superior Agate

Silicon Dioxide (Chalcedony/Quartz), formula SiO2

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Fulgurite (Lechatelierite (Silica glass tubes)) — mineral

Fulgurite

Lechatelierite (Silica glass tubes)

Bumblebee Jasper (Fibrous Calcite and Quartz with Volcanic Matter (CaCO3 / SiO2)) — mineral

Bumblebee Jasper

Fibrous Calcite and Quartz with Volcanic Matter (CaCO3 / SiO2)

Quartz Geode Fragment (Silicon Dioxide (SiO2)) — mineral

Quartz Geode Fragment

Silicon Dioxide (SiO2)

Agate (Silicon Dioxide (Chalcedony), SiO2) — sedimentary

Agate

Silicon Dioxide (Chalcedony), SiO2

Sunstone (Oligoclase (Feldspar variety)) — mineral

Sunstone

Oligoclase (Feldspar variety)

Amethyst (Silicon dioxide with iron impurities (SiO2 + Fe3+)) — mineral

Amethyst

Silicon dioxide with iron impurities (SiO2 + Fe3+)

Orbicular Jasper (Ocean Jasper) (Silicon Dioxide (SiO2) with various inclusions) — mineral

Orbicular Jasper (Ocean Jasper)

Silicon Dioxide (SiO2) with various inclusions

Amazonite (Microcline (variety Amazonite), K(AlSi3O8)) — mineral

Amazonite

Microcline (variety Amazonite), K(AlSi3O8)

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

Citrine Quartz

Silicon Dioxide (SiO2) with iron impurities

Alexandrite (Chrysoberyl (BeAl2O4 with Chromium impurities)) — mineral

Alexandrite

Chrysoberyl (BeAl2O4 with Chromium impurities)

Herkimer Diamond (Double-terminated Quartz (Silicon Dioxide, SiO2)) — mineral

Herkimer Diamond

Double-terminated Quartz (Silicon Dioxide, SiO2)

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

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2)

Amethyst (Silicon Dioxide (SiO2) with trace Iron (Fe3+)) — mineral

Amethyst

Silicon Dioxide (SiO2) with trace Iron (Fe3+)

Chalcedony (Botryoidal or Chalcedony Rose) (Silicon dioxide (SiO2)) — mineral

Chalcedony (Botryoidal or Chalcedony Rose)

Silicon dioxide (SiO2)

Quartz (Clear Quartz/Rock Crystal) (Silicon Dioxide (SiO2)) — mineral

Quartz (Clear Quartz/Rock Crystal)

Silicon Dioxide (SiO2)

Gold Nugget (Placer Gold) (Native Gold (Au)) — mineral

Gold Nugget (Placer Gold)

Native Gold (Au)

Quartz (Clear Quartz/Rock Crystal) (Silicon Dioxide (SiO2)) — mineral

Quartz (Clear Quartz/Rock Crystal)

Silicon Dioxide (SiO2)