Toxic Crystals and Stones List

Actinolite – May contain asbestos. Not recommended for elixirs
Adamite – Contains arsenic and some copper
Ajoite – Contains aluminum and copper
Alexandrite – Contains aluminum
Amazonite – Contains copper
Atacamite – Contains copper
Aquamarine – Contains aluminum
Auricalcite – Contains zinc and copper
Azurite – Contains copper

Beryl Group

  • Bixbite
  • Emerald
  • Aquamarine
  • Goshenite
  • Heliodor
  • Morganite

Contains aluminum

Black Tourmaline – Contains aluminum
Boji-stones (aka Moqui Balls, Shaman Stone, Shamanic Star Stone) -Contains some sulfur, pyrite and/or marcasite
Bronchantite – Contains copper
Cavansite – Contains copper
Celestite – Contains strontium
Chalcantite – Contains copper
Chalcopyrite (peacock stone) – Contains copper and sulfur
Chrysocolla – Contains copper
Cinnabar – Contains mercury
Conicalcite – Contains copper
Copper – Poisonous
Covellite – Contains copper and sulfur
Cuprite – Contains copper
Dioptase – Contains copper
Dumortierite – Contains aluminum
Emerald – Contains aluminum
Fluorite – Contains fluoride
Garnet (Spessartine, Almandine, Uvarovite, Rhodolite,Hessonite) -Contains aluminum
Gem Silica – Contains copper
Galena – Contains lead
Garnierite (aka Falcondoite) – Contains nickel
Hematite – Will rust, but not toxic
Iolite – Contains aluminum
Kunzite – Contains aluminum
Labradorite – Contains aluminum
Lapis Lazuli – Contains pyrite
Lepidolite – Contains aluminum
Magnetite – Will rust, but not toxic
Malachite – Contains copper
Markasite – Contains sulfur
Mohawkite – Contains copper and Arsenic
Moldavite – Contains aluminum oxide
Moonstone – Contains aluminum
Morganite – Contains aluminum
Pietersite – Fibrous form contains asbestos
Prehnite – Contains aluminum
Psiomelan – Contains barium
Pyrite – -Contains sulfur
Realgar – Contains sulfur and arsenic
Ruby – Contains aluminum
Sapphire – Contains aluminum
Selenite – Although not toxic, friable; tiny shards may break off in water
Serpentine – Fibrous form contains asbestos
Smithsonite – May contain copper
Sodalite – Contains aluminum
Spinel – Contains aluminum
Spodumene (aka Kunzite) – Contains aluminum
Staurolite – Contains aluminum
Stibnite – Contains lead and antimony
Stilbite – Contains aluminum
Sugilite – Contains aluminum
Sulfur – Poisonous
Sunstone – Contains aluminum
Tanzanite– Gem variety of Zoisite. – Contains aluminum
Tiger Eye – Fibrous form contains asbestos
Topaz – Contains aluminum
Torbenite – Radioactive
Tourmaline – Contains aluminum
Tremolite – May contain asbestos
Turquoise – Contains copper and aluminum
Vanadinite – Contains vanadium
Variscite – Contains aluminum
Vesuvianite – Contains aluminum
Wavellite – Contains aluminum
Wulfenite – Contains lead and molybdenum
Zircon – Contains zirconium, radioactive
Zoisite – Contains aluminum

Radioactivity Concerns

Some granites emit radon from the decay of Uranium. The risk is low, however if you have concerns please download this publication: A Citizen’s Guide to Radon: The Guide to Protecting Yourself and Your Family from Radon. This guide offers strategies for testing your home for radon, discusses steps to take after you’ve tested, discussions of the risk of radon & radon myths. A test kit may be purchased here.
Radioactive Gems. You may have a valid concern if you own artificially irradiated crystals, gems or stones. Try to steer clear of the following:
  • deeply pigmented topaz
  • artificially dark (almost black) smokey quartz
  • very deep pink or red tourmaline
  • colored diamonds
  • deeply colored kunzite
  • some cultured pearls



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