Rock Identifier

Category

Gemstone

Browse gemstone specimens identified by the Rock Identifier community.

Learn about Gemstone in the encyclopedia

Achroite

Alexandrite

Almandine Garnet

Almandine Garnet

Amber

Andamooka Opal

Andesine

Andesine-Labradorite

Andesine-Labradorite

Andradite Garnet

Andradite Garnet

Ant Hill Garnet

Ant Hill Garnet

Aquamarine

Australian Opal

Australian Opal

Aventurine Feldspar

Aventurine Feldspar

Diamond (or Cubic Zirconia) (Carbon (C) or Zirconium Dioxide (ZrO2)) — gemstone

Diamond (or Cubic Zirconia)

Carbon (C) or Zirconium Dioxide (ZrO2)

Faceted Citrine (Citrine Quartz (Silicon Dioxide, SiO2)) — gemstone

Faceted Citrine

Citrine Quartz (Silicon Dioxide, SiO2)

Diamond (Faceted) (Carbon (C)) — gemstone

Diamond (Faceted)

Carbon (C)

Amber (Succinite (Fossilized Tree Resin, C10H16O)) — gemstone

Amber

Succinite (Fossilized Tree Resin, C10H16O)

Diamond (or Simulant) (Carbon (C) or Cubic Zirconia (ZrO2)) — gemstone

Diamond (or Simulant)

Carbon (C) or Cubic Zirconia (ZrO2)

Diamond (or Cubic Zirconia) (Carbon (C) or Zirconium Dioxide (ZrO2)) — gemstone

Diamond (or Cubic Zirconia)

Carbon (C) or Zirconium Dioxide (ZrO2)

Diamond (or Diamond Simulant) (Carbon (C) or Zirconium dioxide (ZrO2) for CZ) — gemstone

Diamond (or Diamond Simulant)

Carbon (C) or Zirconium dioxide (ZrO2) for CZ

Cubic Zirconia (Set in Jewelry) (Zirconium Dioxide (ZrO2)) — gemstone

Cubic Zirconia (Set in Jewelry)

Zirconium Dioxide (ZrO2)

Carnelian (SiO2 (Silicon Dioxide)) — gemstone

Carnelian

SiO2 (Silicon Dioxide)

Sapphire (Corundum (Al2O3)) — gemstone

Sapphire

Corundum (Al2O3)

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

Moonstone Cabochon (Orthoclase Feldspar ((K,Na)AlSi3O8) with Albite lamellae) — gemstone

Moonstone Cabochon

Orthoclase Feldspar ((K,Na)AlSi3O8) with Albite lamellae

Amber (Succinite (Fossilized Tree Resin)) — gemstone

Amber

Succinite (Fossilized Tree Resin)

Black Opal (Hydrated Amorphous Silica (SiO2 "n" H2O)) — gemstone

Black Opal

Hydrated Amorphous Silica (SiO2 "n" H2O)

Diamond (Baguette cut) (Carbon (C)) — gemstone

Diamond (Baguette cut)

Carbon (C)

Aquamarine (Beryl (Be3Al2Si6O18 with iron impurities)) — gemstone

Aquamarine

Beryl (Be3Al2Si6O18 with iron impurities)

Larimar (with dendritic inclusions) (Blue Pectolite (NaCa2Si3O8(OH))) — gemstone

Larimar (with dendritic inclusions)

Blue Pectolite (NaCa2Si3O8(OH))

Rose Quartz (Silicon Dioxide (SiO2)) — gemstone

Rose Quartz

Silicon Dioxide (SiO2)

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

Peridot

Olivine (Mg, Fe)2SiO4

Turquoise (Hydrous phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)) — mineral

Turquoise

Hydrous phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)

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

Turquoise

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

Amber (or polished Chalcedony bead) (Fossilized Tree Resin / SiO2 (Silicon Dioxide if Chalcedony)) — gemstone

Amber (or polished Chalcedony bead)

Fossilized Tree Resin / SiO2 (Silicon Dioxide if Chalcedony)

Diamond (or Clear Quartz / Cubic Zirconia) (Carbon (C) or Silicon Dioxide (SiO2) / Cubic Zirconia (ZrO2)) — gemstone

Diamond (or Clear Quartz / Cubic Zirconia)

Carbon (C) or Silicon Dioxide (SiO2) / Cubic Zirconia (ZrO2)

Rubellite Tourmaline (Elbaite Tourmaline, Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)) — gemstone

Rubellite Tourmaline

Elbaite Tourmaline, Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)

Emerald (Beryl (Be3Al2Si6O18 with chromium and vanadium impurities)) — gemstone

Emerald

Beryl (Be3Al2Si6O18 with chromium and vanadium impurities)

Emerald (Beryl (Be3Al2(SiO3)6) with Chromium and/or Vanadium impurities) — gemstone

Emerald

Beryl (Be3Al2(SiO3)6) with Chromium and/or Vanadium impurities

Green Tourmaline (Verdelite) (Elbaite (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4)) — gemstone

Green Tourmaline (Verdelite)

Elbaite (Na(Li,Al)3Al6(BO3)3Si6O18(OH)4)

Banded Agate (Silicon Dioxide (SiO2)) — gemstone

Banded Agate

Silicon Dioxide (SiO2)

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

Diamond (or diamond simulant) (C) — gemstone

Diamond (or diamond simulant)

C

Clear Quartz (Faceted) (Silicon Dioxide (SiO2)) — gemstone

Clear Quartz (Faceted)

Silicon Dioxide (SiO2)

Rough Diamond (Diamond (C - Carbon)) — gemstone

Rough Diamond

Diamond (C - Carbon)

Yellow Topaz (Imperial/Golden Topaz) (Topaz - Al2SiO4(F,OH)2) — gemstone

Yellow Topaz (Imperial/Golden Topaz)

Topaz - Al2SiO4(F,OH)2

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

Diamond (Native Carbon (C)) — gemstone

Diamond

Native Carbon (C)

Diamond (in Ring Setting) (Diamond (C)) — gemstone

Diamond (in Ring Setting)

Diamond (C)

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

Diamond (C (Native Carbon)) — gemstone

Diamond

C (Native Carbon)

Diamond (Native Carbon (C)) — gemstone

Diamond

Native Carbon (C)

Garden Quartz (Lodolite / Inclusion Quartz) (Quartz with inclusions (SiO2 with various mineral inclusions)) — gemstone

Garden Quartz (Lodolite / Inclusion Quartz)

Quartz with inclusions (SiO2 with various mineral inclusions)

Ruby (Corundum) (Aluminum Oxide (Al₂O₃:Cr)) — gemstone

Ruby (Corundum)

Aluminum Oxide (Al₂O₃:Cr)

Carnelian (SiO2 (Silicon Dioxide - Chalcedony variant)) — gemstone

Carnelian

SiO2 (Silicon Dioxide - Chalcedony variant)