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

Citrine (SiO2 (Silicon Dioxide)) — Mineral

Citrine

SiO2 (Silicon Dioxide)

Prasiolite (Silicon Dioxide (SiO2)) — mineral

Prasiolite

Silicon Dioxide (SiO2)

Orange Sapphire (Corundum (Al2O3 with trace elements)) — gemstone

Orange Sapphire

Corundum (Al2O3 with trace elements)

Blue Sapphire (Corundum (Al2O3)) — mineral

Blue Sapphire

Corundum (Al2O3)

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

Citrine Quartz (Carved Point)

Silicon Dioxide (SiO2) with iron impurities

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

Citrine

Silicon Dioxide (SiO2) with iron impurities

Tumbled quartz pebble, possibly citrine or pale smoky quartz (Quartz (SiO₂), likely microcrystalline/tumbled material) — mineral

Tumbled quartz pebble, possibly citrine or pale smoky quartz

Quartz (SiO₂), likely microcrystalline/tumbled material

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

Citrine Quartz / Iron-stained Quartz

Silicon Dioxide (SiO2)

White Topaz (Al2SiO4(F,OH)2 (Aluminium Silicate Fluoride Hydroxide)) — mineral

White Topaz

Al2SiO4(F,OH)2 (Aluminium Silicate Fluoride Hydroxide)

Yellow Quartz or Citrine Geode/Cluster (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz or Citrine Geode/Cluster

Silicon Dioxide (SiO2)

Tumbled Clear Quartz and Citrine Points (Silicon Dioxide (SiO2)) — mineral

Tumbled Clear Quartz and Citrine Points

Silicon Dioxide (SiO2)

Tiger's Eye (Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions)) — metamorphic

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions)

Peacock Ore (Bornite (Cu5FeS4) or iridescent Chalcopyrite (CuFeS2)) — mineral

Peacock Ore

Bornite (Cu5FeS4) or iridescent Chalcopyrite (CuFeS2)

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

Yellow Quartz (Citrine or Iron-stained Quartz)

Silicon Dioxide (SiO2)

Bornite (Bornite (Cu5FeS4)) — mineral

Bornite

Bornite (Cu5FeS4)

Tumbled carnelian (likely chalcedony) (Carnelian, orange-red cryptocrystalline quartz (SiO₂), a variety of chalcedony) — gemstone

Tumbled carnelian (likely chalcedony)

Carnelian, orange-red cryptocrystalline quartz (SiO₂), a variety of chalcedony

Yellow quartz crystal point, likely citrine-treated quartz (Quartz, SiO₂; probable heat-treated amethyst or iron-stained quartz) — mineral

Yellow quartz crystal point, likely citrine-treated quartz

Quartz, SiO₂; probable heat-treated amethyst or iron-stained quartz

Citrine (Heat-treated or Natural Quartz) (Silicon Dioxide (SiO2)) — mineral

Citrine (Heat-treated or Natural Quartz)

Silicon Dioxide (SiO2)

Tumbled metallic sulfide specimen, likely chalcopyrite (Chalcopyrite (CuFeS₂), possibly polished or coated) — mineral

Tumbled metallic sulfide specimen, likely chalcopyrite

Chalcopyrite (CuFeS₂), possibly polished or coated

Quartz (Citrine or Smoky variant) (Silicon Dioxide (SiO2)) — mineral

Quartz (Citrine or Smoky variant)

Silicon Dioxide (SiO2)

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

Citrine Quartz Geode

Silicon Dioxide (SiO2) with iron impurities

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

Citrine Quartz

Silicon Dioxide (SiO2) with iron impurities

Citrine Quartz (Silicon Dioxide (SiO2)) — mineral

Citrine Quartz

Silicon Dioxide (SiO2)

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

Heat-Treated Amethyst (Commercial Citrine)

Silicon Dioxide (SiO2) with iron impurities

Tanzanite (Blue/Violet Zoisite (Ca2Al3(SiO4)(Si2O7)O(OH))) — mineral

Tanzanite

Blue/Violet Zoisite (Ca2Al3(SiO4)(Si2O7)O(OH))

Howlite (Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)) — mineral

Howlite

Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)

Citrine (Quartz (SiO₂)) — Mineral

Citrine

Quartz (SiO₂)

Tumbled yellow translucent mineral, likely citrine or honey calcite (Citrine: quartz, SiO₂; honey calcite: calcium carbonate, CaCO₃) — mineral

Tumbled yellow translucent mineral, likely citrine or honey calcite

Citrine: quartz, SiO₂; honey calcite: calcium carbonate, CaCO₃

Dyed Quartz Geode (Dyed crystalline quartz (Silicon Dioxide, SiO2)) — mineral

Dyed Quartz Geode

Dyed crystalline quartz (Silicon Dioxide, SiO2)

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

Turquoise

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

Peacock ore (iridescent bornite/chalcopyrite) (Bornite (Cu₅FeS₄), commonly sold as heat-treated chalcopyrite (CuFeS₂)) — mineral

Peacock ore (iridescent bornite/chalcopyrite)

Bornite (Cu₅FeS₄), commonly sold as heat-treated chalcopyrite (CuFeS₂)

Blue Topaz (Cut Gemstone) (Aluminum silicate fluoride hydroxide (Al2SiO4(F,OH)2)) — gemstone

Blue Topaz (Cut Gemstone)

Aluminum silicate fluoride hydroxide (Al2SiO4(F,OH)2)

Citrine (Silicon Dioxide (SiO2)) — mineral

Citrine

Silicon Dioxide (SiO2)

Yellow Quartz (SiO2) — mineral

Yellow Quartz

SiO2

Raw yellow quartz crystal, likely citrine (Quartz (SiO₂), iron-colored variety commonly sold as citrine) — mineral

Raw yellow quartz crystal, likely citrine

Quartz (SiO₂), iron-colored variety commonly sold as citrine

Blue-green aventurine beads (likely dyed or treated quartz) (Quartz, SiO₂; aventurine is quartz containing fine mineral inclusions) — mineral

Blue-green aventurine beads (likely dyed or treated quartz)

Quartz, SiO₂; aventurine is quartz containing fine mineral inclusions

Iron-stained quartz (possible citrine/vein quartz) (Quartz, SiO₂, colored by iron-oxide inclusions) — mineral

Iron-stained quartz (possible citrine/vein quartz)

Quartz, SiO₂, colored by iron-oxide inclusions

Tumbled orange chalcedony or carnelian (Cryptocrystalline quartz, SiO₂; likely carnelian variety) — mineral

Tumbled orange chalcedony or carnelian

Cryptocrystalline quartz, SiO₂; likely carnelian variety

Tumbled smoky quartz (Quartz (SiO₂), smoky variety) — mineral

Tumbled smoky quartz

Quartz (SiO₂), smoky variety

Peacock ore (bornite/chalcopyrite specimen) (Bornite, Cu₅FeS₄, commonly with chalcopyrite (CuFeS₂)) — mineral

Peacock ore (bornite/chalcopyrite specimen)

Bornite, Cu₅FeS₄, commonly with chalcopyrite (CuFeS₂)

Dyed blue quartz or druzy geode (likely) (Quartz, silicon dioxide (SiO₂), probably artificially colored) — mineral

Dyed blue quartz or druzy geode (likely)

Quartz, silicon dioxide (SiO₂), probably artificially colored

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

Citrine

Silicon Dioxide (Quartz variety), SiO2