Yellow Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
Category
Browse mineral (treated) specimens identified by the Rock Identifier community.
Yellow Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
Citrine (Iron-stained Quartz)
Silicon Dioxide (SiO2)
Carnelian Agate
Silicon Dioxide (SiO2) with iron oxide inclusions
Yellow Quartz / Citrine Quartz
Silicon Dioxide (SiO2)
Yellow Quartz (Citrine-colored Quartz)
Silicon Dioxide (SiO2)
Carnelian
Carnelian (Silica, SiO2)
Red Jade (Dyed Quartzite)
Silicon Dioxide (SiO2) - variety Quartzite
Yellow Quartz (Citrine or Quartzite Pebble)
Silicon Dioxide (SiO2)
Citrine (Yellow Quartz)
Silicon Dioxide (SiO2)
Carnelian Agate/Jasper blend
Silicon Dioxide (SiO2) - variety of Chalcedony
Yellow Quartz / Citrine Quartz
Silicon Dioxide (SiO2)
Yellow Quartz Pebble
SiO2 (Silicon Dioxide)
Dyed Howlite (Dyed Red)
Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)
Citrine
Silicon Dioxide (SiO2)
Citrine (likely Heat-Treated)
Quartz (Silicon Dioxide, SiO2)
Black Onyx
Cryptocrystalline Quartz (SiO2)
Citrine
Quartz (SiO₂)
Yellow Quartz (Citrine/Yellow Chalcedony)
Silicon Dioxide (SiO2)
Green Fluorite (likely synthetic or heat-treated for jewelry)
Calcium Fluoride (CaF2)
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
Rough Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
Yellow Quartz (Citrine or Quartzite Pebble)
Silicon Dioxide (SiO2)
Yellow Quartz (or Citrine Quartz)
Silicon Dioxide (SiO2)
Blue Topaz (facetted in jewelry)
Aluminum silicate fluoride hydroxide (Al2SiO4(F,OH)2)
Citrine (Heat-Treated Amethyst)
Silicon Dioxide (SiO2)
Citrine
Citrine (Silicon Dioxide, SiO2)
Citrine
Quartz (SiO2) - variety Citrine
Ruby
Corundum (Aluminum Oxide with Chromium), Al2O3:Cr
Chalcopyrite
Chalcopyrite (CuFeS2)
Yellow Quartz (Citrine-colored Quartz)
Silicon Dioxide (SiO2)
Citrine
Silicon dioxide (SiO2)
Chalcopyrite
Chalcopyrite (CuFeS2)
Citrine
Silicon Dioxide (SiO2) with iron impurities
Citrine
Silicon Dioxide (SiO2)
Dragon Vein Agate
Chalcedony (cryptocrystalline silica, SiO2) variety Agate
Yellow Quartz (Citrine Quartz Pebble)
Silicon Dioxide (SiO2)
Citrine
Yellow Quartz (SiO2)
Amber and Citrine Quartz
Succinite (Amber) and Silicon Dioxide (SiO2 / Citrine)
Peacock Ore (Bornite or Iridescent Chalcopyrite)
Bornite (Cu5FeS4) or Chalcopyrite (CuFeS2) with tarnish
Citrine
Citrine (Silicon Dioxide - SiO2)
Citrine Quartz
Silicon Dioxide (SiO2)
Red Garnet (Almandine-Pyrope series)
Garnet Group, Almandine (Fe3Al2(SiO4)3) or Pyrope (Mg3Al2(SiO4)3)