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

Aura Quartz (Coated Quartz) (Silicon Dioxide (SiO2) treated with metallic vapor) — mineral

Aura Quartz (Coated Quartz)

Silicon Dioxide (SiO2) treated with metallic vapor

Blue Topaz (specifically London Blue shade) (Topaz - Al2SiO4(F,OH)2) — mineral

Blue Topaz (specifically London Blue shade)

Topaz - Al2SiO4(F,OH)2

Peacock Ore (Bornite (Cu5FeS4)) — mineral

Peacock Ore

Bornite (Cu5FeS4)

Ruby (Corundum (Al2O3 with Chromium traces)) — mineral

Ruby

Corundum (Al2O3 with Chromium traces)

Blue Agate (Dyed or Treated Chalcedony) (Silicon Dioxide (SiO2), microcrystalline quartz variety) — mineral

Blue Agate (Dyed or Treated Chalcedony)

Silicon Dioxide (SiO2), microcrystalline quartz variety

Chalcopyrite (Chalcopyrite (CuFeS2)) — mineral

Chalcopyrite

Chalcopyrite (CuFeS2)

Chalcopyrite (Peacock Ore) (Copper Iron Sulfide (CuFeS2)) — mineral

Chalcopyrite (Peacock Ore)

Copper Iron Sulfide (CuFeS2)

Dyed or treated turquoise-like tumbled stone (Likely turquoise (CuAl₆(PO₄)₄(OH)₈·4H₂O), though blue-green magnesite or howlite imitation is possible) — mineral

Dyed or treated turquoise-like tumbled stone

Likely turquoise (CuAl₆(PO₄)₄(OH)₈·4H₂O), though blue-green magnesite or howlite imitation is possible

Citrine Quartz (Silicon Dioxide (SiO2)) — mineral

Citrine Quartz

Silicon Dioxide (SiO2)

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

Yellow Quartz (Citrine or Iron-stained Quartz)

Silicon Dioxide (SiO2)

Citrine (Silicon dioxide (SiO2)) — mineral

Citrine

Silicon dioxide (SiO2)

Carnelian Agate (Silicon Dioxide (SiO2) - variety Carnelian (Chalcedony)) — Mineral

Carnelian Agate

Silicon Dioxide (SiO2) - variety Carnelian (Chalcedony)

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

Rough Citrine Quartz

Silicon Dioxide (SiO2) with ferric iron impurities

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

Citrine

Silicon Dioxide (SiO2) with iron impurities

Yellow Quartz (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz

Silicon Dioxide (SiO2)

Citrine (Silicon dioxide (SiO2)) — mineral

Citrine

Silicon dioxide (SiO2)

Rainbow Quartz (Dyed/Coated Quartz) (Silicon Dioxide (SiO2) with artificial color enhancement) — gemstone

Rainbow Quartz (Dyed/Coated Quartz)

Silicon Dioxide (SiO2) with artificial color enhancement

Citrine Quartz (Silicon Dioxide (SiO2)) — mineral

Citrine Quartz

Silicon Dioxide (SiO2)

Citrine Quartz (Quartz (SiO2) - specifically, a variety of macrocrystalline quartz) — Mineral

Citrine Quartz

Quartz (SiO2) - specifically, a variety of macrocrystalline quartz

Mystic Topaz (Treated Quartz or Topaz) (Silicate Mineral (SiO2 or Al2SiO4(F,OH)2) with Titanium coating) — gemstone

Mystic Topaz (Treated Quartz or Topaz)

Silicate Mineral (SiO2 or Al2SiO4(F,OH)2) with Titanium coating

Tumbled yellow chalcedony (likely citrine or yellow quartz) (Quartz, SiO₂; potentially microcrystalline chalcedony) — mineral

Tumbled yellow chalcedony (likely citrine or yellow quartz)

Quartz, SiO₂; potentially microcrystalline chalcedony

Heat-Treated Citrine (Amethyst Geode Fragment) (Silicon Dioxide (SiO2) with iron impurities) — mineral

Heat-Treated Citrine (Amethyst Geode Fragment)

Silicon Dioxide (SiO2) with iron impurities

Heat-Treated Citrine (Amethyst) (Silicon Dioxide (SiO2) with iron impurities) — mineral

Heat-Treated Citrine (Amethyst)

Silicon Dioxide (SiO2) with iron impurities

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

Citrine Quartz (Tumbled)

Silicon Dioxide (SiO2)

Titanium Amethyst Geode (Silicon Dioxide (SiO2) with Titanium/Metal Vapor Deposition Layer) — mineral

Titanium Amethyst Geode

Silicon Dioxide (SiO2) with Titanium/Metal Vapor Deposition Layer

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

Orange Quartz (Citrine Quartz)

Silicon Dioxide (SiO2)

White Topaz (Topaz - Al2SiO4(F,OH)2) — mineral

White Topaz

Topaz - Al2SiO4(F,OH)2

Green glassy mineral specimen, likely rough emerald or green fluorite (Tentatively beryl (Be₃Al₂Si₆O₁₈), emerald variety; synthetic/man-made glass cannot be excluded from the photograph) — mineral

Green glassy mineral specimen, likely rough emerald or green fluorite

Tentatively beryl (Be₃Al₂Si₆O₁₈), emerald variety; synthetic/man-made glass cannot be excluded from the photograph

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

Tiger's Eye

Silicon Dioxide (SiO2) - Pseudomorph of Quartz after Crocidolite

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

Tumbled Amethyst

Silicon Dioxide (SiO2) with iron impurities

Tiger's Eye (Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)) — Mineral

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)

Banded Agate (specifically Sardonyx or Carnelian Agate) (Silicon Dioxide (SiO2) - Chalcedony variety) — mineral

Banded Agate (specifically Sardonyx or Carnelian Agate)

Silicon Dioxide (SiO2) - Chalcedony variety

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

Yellow Quartz Pebble (Citrine or Iron-stained Quartz)

Silicon Dioxide (SiO2)

Honey quartz crystal cluster (Quartz, silicon dioxide (SiO₂), likely iron-stained or inclusion-rich quartz) — mineral

Honey quartz crystal cluster

Quartz, silicon dioxide (SiO₂), likely iron-stained or inclusion-rich quartz

Man-made Green Quartz (Lab-grown or Treated) (Silicon Dioxide (SiO2) with artificial coloration) — mineral

Man-made Green Quartz (Lab-grown or Treated)

Silicon Dioxide (SiO2) with artificial coloration

Black Onyx (Silicon dioxide (SiO2) with parallel banded structure) — Mineral (variety of chalcedony)

Black Onyx

Silicon dioxide (SiO2) with parallel banded structure

Mineral (variety of chalcedony)

Black Onyx (Chalcedony (SiO2)) — gemstone

Black Onyx

Chalcedony (SiO2)

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

Yellow Topaz (Imperial/Golden Topaz)

Topaz - Al2SiO4(F,OH)2

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

Raw Citrine (Yellow Quartz)

Citrine / Silicon Dioxide (SiO2)

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

Titanium Aura Quartz (Aura Quartz)

Titanium-coated Silicon Dioxide (SiO2)

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

Citrine

Silicon Dioxide (Quartz variety), SiO2

Bornite (Peacock Ore) (Bornite (Cu5FeS4)) — mineral

Bornite (Peacock Ore)

Bornite (Cu5FeS4)