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

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

Diamond (in jewelry mount)

Carbon (C)

Rutilated Quartz (Silicon Dioxide (SiO2) with inclusions of Titanium Dioxide (TiO2)) — mineral

Rutilated Quartz

Silicon Dioxide (SiO2) with inclusions of Titanium Dioxide (TiO2)

Tumbled purple jasper (likely) (Microcrystalline quartz/chalcedony, SiO₂, colored by iron and other trace minerals) — mineral

Tumbled purple jasper (likely)

Microcrystalline quartz/chalcedony, SiO₂, colored by iron and other trace minerals

Pearl (incorporated into jewelry) (Aragonite and Calcite (CaCO3)) — mineral

Pearl (incorporated into jewelry)

Aragonite and Calcite (CaCO3)

Gemstone Tree Brooch (Agate and Quartz) (Silicon Dioxide (SiO2)) — mineral

Gemstone Tree Brooch (Agate and Quartz)

Silicon Dioxide (SiO2)

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

Peridot

Olivine (Mg, Fe)2SiO4

Turquoise beads (Turquoise, hydrated copper–aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O) — gemstone

Turquoise beads

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

Tiger's Eye and Hematite (Quartz (SiO2) with Crocidolite inclusions and Hematite (Fe2O3)) — mineral

Tiger's Eye and Hematite

Quartz (SiO2) with Crocidolite inclusions and Hematite (Fe2O3)

Aura Quartz (Titanium-coated Silicon Dioxide (SiO2)) — mineral

Aura Quartz

Titanium-coated Silicon Dioxide (SiO2)

Native gold in quartz (probable) (Gold (Au), with quartz (SiO₂) matrix) — mineral

Native gold in quartz (probable)

Gold (Au), with quartz (SiO₂) matrix

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

Green Aventurine

Quartz (SiO2) with fuchsite inclusions

Fossilized Shark Tooth (Chondrichthyes (Class) fossilized tooth) — fossil

Fossilized Shark Tooth

Chondrichthyes (Class) fossilized tooth

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

Prehnite

Prehnite (Ca2Al2Si3O10(OH)2)

Likely rough amethyst (Amethyst, purple quartz (SiO₂)) — mineral

Likely rough amethyst

Amethyst, purple quartz (SiO₂)

Possible aquamarine (beryl) crystal fragment (Beryl, Be₃Al₂Si₆O₁₈; green-blue color may indicate aquamarine) — mineral

Possible aquamarine (beryl) crystal fragment

Beryl, Be₃Al₂Si₆O₁₈; green-blue color may indicate aquamarine

Rose quartz (rough fragment) (Quartz, SiO₂; pink coloration is commonly associated with trace elements and microscopic inclusions.) — mineral

Rose quartz (rough fragment)

Quartz, SiO₂; pink coloration is commonly associated with trace elements and microscopic inclusions.

Quartz crystal cluster (Quartz (SiO₂), likely iron-stained; exact variety uncertain) — mineral

Quartz crystal cluster

Quartz (SiO₂), likely iron-stained; exact variety uncertain

Polished purple amethyst cabochon (Amethyst, purple variety of quartz (SiO₂)) — gemstone

Polished purple amethyst cabochon

Amethyst, purple variety of quartz (SiO₂)

Tumbled milky quartz (Quartz (silicon dioxide, SiO₂)) — mineral

Tumbled milky quartz

Quartz (silicon dioxide, SiO₂)

Amethyst ring (Amethyst, purple quartz (SiO₂)) — gemstone

Amethyst ring

Amethyst, purple quartz (SiO₂)

Emerald in Matrix (Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities) — gemstone

Emerald in Matrix

Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities

Sunstone (Oligoclase (Plagioclase Feldspar) with hematite or copper inclusions) — mineral

Sunstone

Oligoclase (Plagioclase Feldspar) with hematite or copper inclusions

Heliodor (Yellow Beryl) (Beryl (Be3Al2Si6O18 with iron impurities)) — gemstone

Heliodor (Yellow Beryl)

Beryl (Be3Al2Si6O18 with iron impurities)

Citrine Quartz (Raw) (Silicon Dioxide (SiO2)) — mineral

Citrine Quartz (Raw)

Silicon Dioxide (SiO2)

Amethyst Geode (Silicon Dioxide (SiO2)) — mineral

Amethyst Geode

Silicon Dioxide (SiO2)

Rose Quartz (Silicon Dioxide (SiO2)) — mineral

Rose Quartz

Silicon Dioxide (SiO2)

Labradorite (in Matrix) (Labradorite ((Ca, Na)(Al, Si)4O8)) — mineral

Labradorite (in Matrix)

Labradorite ((Ca, Na)(Al, Si)4O8)

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

Amethyst

Quartz (Silicon Dioxide, SiO2)

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

Amethyst

Quartz (Silicon Dioxide, SiO2 with iron impurities)

Red Jasper (Silicon Dioxide (SiO2) with Iron Oxide inclusions) — mineral

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Banded Agate (Silicon Dioxide (SiO2)) — mineral

Banded Agate

Silicon Dioxide (SiO2)

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

Amethyst

Silicon Dioxide (SiO2) with iron impurities

Sunstone (Plagioclase Feldspar (Na,Ca)(Si,Al)3O8) — mineral

Sunstone

Plagioclase Feldspar (Na,Ca)(Si,Al)3O8

Banded Agate (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — mineral

Banded Agate

Silicon Dioxide (SiO2) - Microcrystalline Quartz

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

Quartz Geode / Druzy Quartz

Silicon Dioxide (SiO2)

Epidote with Quartz (Ca2(Al,Fe)3(SiO4)3(OH) (Epidote) / SiO2 (Quartz)) — mineral

Epidote with Quartz

Ca2(Al,Fe)3(SiO4)3(OH) (Epidote) / SiO2 (Quartz)

Rough Emerald (Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)) — gemstone

Rough Emerald

Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)

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

Amethyst

Quartz (Silicon Dioxide with iron impurities), SiO2

Amazonite (K(AlSi3O8) - Lead-bearing Microcline) — mineral

Amazonite

K(AlSi3O8) - Lead-bearing Microcline

Citrine (Silicon Dioxide (SiO2) with ferric iron impurities) — gemstone

Citrine

Silicon Dioxide (SiO2) with ferric iron impurities

Chalcedony in Matrix (likely Agatized Coral or Chert) (Silicon Dioxide (SiO2)) — sedimentary

Chalcedony in Matrix (likely Agatized Coral or Chert)

Silicon Dioxide (SiO2)

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

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)