Rock Identifier

Category

Mineral (Treated)

Browse mineral (treated) specimens identified by the Rock Identifier community.

Learn about Mineral (Treated) in the encyclopedia

Red Agate

Citrine

Andesine

Andamooka Opal

Glauconite

Hutcheonite

Halite

Sperrylite

Baddeleyite

Anatase

Brookite

Talc

Chalcopyrite (Peacock Ore) (Chalcopyrite (CuFeS2)) — mineral

Chalcopyrite (Peacock Ore)

Chalcopyrite (CuFeS2)

Blue crystal pendant (likely blue glass or synthetic crystal) (Not identifiable from the image; possibly synthetic quartz or glass, rather than a natural mineral) — gemstone

Blue crystal pendant (likely blue glass or synthetic crystal)

Not identifiable from the image; possibly synthetic quartz or glass, rather than a natural mineral

Mixed Mineral Collection (with Titanium Aura Quartz) (Silicon Dioxide (SiO2) with metallic coatings and various silicates) — mineral

Mixed Mineral Collection (with Titanium Aura Quartz)

Silicon Dioxide (SiO2) with metallic coatings and various silicates

Citrine (Silicon dioxide (SiO2)) — mineral

Citrine

Silicon dioxide (SiO2)

Aura Druzy Agate (Star Shape) (Silicon Dioxide (SiO2) with Titanium/Metal Vapor Coating) — mineral

Aura Druzy Agate (Star Shape)

Silicon Dioxide (SiO2) with Titanium/Metal Vapor Coating

Dragon Vein Agate (Dyed/Treated) (Agate (SiO2)) — mineral

Dragon Vein Agate (Dyed/Treated)

Agate (SiO2)

Heat-Treated Citrine (Amethyst-based) (Quartz (Silicon Dioxide) - SiO2) — mineral

Heat-Treated Citrine (Amethyst-based)

Quartz (Silicon Dioxide) - SiO2

Likely polished agate beads (Agate, a banded variety of chalcedony (microcrystalline SiO₂); exact identification is uncertain from the image) — mineral

Likely polished agate beads

Agate, a banded variety of chalcedony (microcrystalline SiO₂); exact identification is uncertain from the image

Heat-Treated Citrine (Silicon Dioxide (SiO2)) — mineral

Heat-Treated Citrine

Silicon Dioxide (SiO2)

Pink-dyed tumbled stone, possibly quartz or agate (Unconfirmed; likely quartz (SiO₂) or microcrystalline quartz (chalcedony, SiO₂), artificially dyed) — mineral

Pink-dyed tumbled stone, possibly quartz or agate

Unconfirmed; likely quartz (SiO₂) or microcrystalline quartz (chalcedony, SiO₂), artificially dyed

Turquoise (Dyed Howlite/Magnesite imitation) (CuAl6(PO4)4(OH)8·4H2O (Target mineral) / Ca2B5SiO9(OH)5 (Actual specimen: Howlite)) — mineral

Turquoise (Dyed Howlite/Magnesite imitation)

CuAl6(PO4)4(OH)8·4H2O (Target mineral) / Ca2B5SiO9(OH)5 (Actual specimen: Howlite)

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

Citrine Quartz Cluster

Silicon Dioxide (SiO2)

Citrine Quartz (Silicon Dioxide (SiO2)) — mineral

Citrine Quartz

Silicon Dioxide (SiO2)

Citrine (Silicon dioxide (SiO2)) — mineral

Citrine

Silicon dioxide (SiO2)

Blue Zircon (Zircon (Zirconium Silicate), ZrSiO4) — gemstone

Blue Zircon

Zircon (Zirconium Silicate), ZrSiO4

Green Calcite or Prasiolite (Green Quartz) (Calcium carbonate (CaCO3) or Silicon dioxide (SiO2)) — mineral

Green Calcite or Prasiolite (Green Quartz)

Calcium carbonate (CaCO3) or Silicon dioxide (SiO2)

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

Citrine Quartz carving

Silicon Dioxide (SiO2)

Citrine Quartz (Silicon Dioxide (SiO2) - Ferric Iron impurities) — mineral

Citrine Quartz

Silicon Dioxide (SiO2) - Ferric Iron impurities

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

Citrine Quartz

Silicon Dioxide (SiO2) with iron impurities

Rainbow Hematite (Titanium-Coated Hematite) (Titanium-treated Hematite (Fe2O3)) — mineral

Rainbow Hematite (Titanium-Coated Hematite)

Titanium-treated Hematite (Fe2O3)

Blue Topaz (Al2SiO4(F,OH)2) — gemstone

Blue Topaz

Al2SiO4(F,OH)2

Dyed Crackle Quartz (Silicon Dioxide (SiO2) with artificial dye) — mineral

Dyed Crackle Quartz

Silicon Dioxide (SiO2) with artificial dye

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

Citrine Quartz

Silicon Dioxide (SiO2) with ferric iron impurities

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

Citrine

Silicon Dioxide (SiO2) with ferric iron impurities

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

Quartz / Citrine Quartz

Silicon Dioxide (SiO2)

Smoky quartz (likely citrine-colored quartz) ring (Quartz, SiO₂; precise variety cannot be confirmed from the photograph) — gemstone

Smoky quartz (likely citrine-colored quartz) ring

Quartz, SiO₂; precise variety cannot be confirmed from the photograph

Amethyst druzy slab (Amethyst (purple quartz), SiO₂) — mineral

Amethyst druzy slab

Amethyst (purple quartz), SiO₂

Citrine (Silicon Dioxide (Quartz variety), SiO2) — mineral

Citrine

Silicon Dioxide (Quartz variety), SiO2

Likely yellow quartz gemstone ring (Quartz (SiO₂), possibly heat-treated citrine or lemon quartz; metal setting appears to be brass/gold-colored alloy) — gemstone

Likely yellow quartz gemstone ring

Quartz (SiO₂), possibly heat-treated citrine or lemon quartz; metal setting appears to be brass/gold-colored alloy

Citrine (Silicon Dioxide (SiO2)) — mineral

Citrine

Silicon Dioxide (SiO2)

Weathered copper-bearing sulfide rock (likely bornite/chalcopyrite) (Bornite (Cu5FeS4) and/or chalcopyrite (CuFeS2), with oxidation tarnish) — mineral

Weathered copper-bearing sulfide rock (likely bornite/chalcopyrite)

Bornite (Cu5FeS4) and/or chalcopyrite (CuFeS2), with oxidation tarnish

Aura Quartz / Rainbow Aura Quartz (Silicon Dioxide (SiO2) with metallic vapor coating) — mineral

Aura Quartz / Rainbow Aura Quartz

Silicon Dioxide (SiO2) with metallic vapor coating

Dyed Dragon Vein Agate (Silicon Dioxide (SiO2) with artificial dye) — mineral

Dyed Dragon Vein Agate

Silicon Dioxide (SiO2) with artificial dye

Citrine (Silicon Dioxide (Quartz variety), SiO2) — mineral

Citrine

Silicon Dioxide (Quartz variety), SiO2

Crackle Quartz (Dyed) (SiO2 (Silicon Dioxide) - Treated) — mineral

Crackle Quartz (Dyed)

SiO2 (Silicon Dioxide) - Treated

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

Quartz (Citrine variety)

Silicon Dioxide (SiO2)

Citrine Geode (or Druzy Citrine) (Silicon Dioxide (SiO₂) - a variety of Quartz) — Mineral

Citrine Geode (or Druzy Citrine)

Silicon Dioxide (SiO₂) - a variety of Quartz

Dyed or coated quartz/amethyst specimen (likely) (Quartz, SiO₂; purple portion may be amethyst, iron-bearing quartz) — mineral

Dyed or coated quartz/amethyst specimen (likely)

Quartz, SiO₂; purple portion may be amethyst, iron-bearing quartz

Pink faceted gemstone, likely amethyst or pink quartz (Quartz (SiO₂), likely pale amethyst; exact identification requires testing) — gemstone

Pink faceted gemstone, likely amethyst or pink quartz

Quartz (SiO₂), likely pale amethyst; exact identification requires testing

Tumbled Citrine (or Heat-Treated Quartz) (Silicon dioxide (SiO2)) — mineral

Tumbled Citrine (or Heat-Treated Quartz)

Silicon dioxide (SiO2)

Blue Zircon (Zircon (Zirconium Silicate, ZrSiO4)) — gemstone

Blue Zircon

Zircon (Zirconium Silicate, ZrSiO4)

Blue-green rough mineral specimen (identity uncertain) (Undetermined; the image is insufficient for a reliable mineral identification) — mineral

Blue-green rough mineral specimen (identity uncertain)

Undetermined; the image is insufficient for a reliable mineral identification