(ps! thsi post was originally made by prettycitywitch on tumblr!)
These crystals will fade in the sunlight:
Amethyst
Rose Quartz, Aquamarine
Smoky Quartz
Kunzite
Hiddenite
Spodumene
Fluorite
These crystals will dissolve in water:
Halite
Sulfates: Borates, Calcite, Gypsum
Lapis Lazuli
Turquoise
Ivory
Pyrite: degrades when stored at high humidity. (Place silica drying gel in the container to absorb moisture)
When In doubt, most crystals are water soluble if:
End in “ite”
Moh’s Hardness less than 6
Scratches easily with a steel knife
These crystals will dissolve in acid solutions (such as acetone & vinegar):
Calcite
Gypsum
Limestone
Marble
Amber (acetone: contained in most nail polish remover)
These crystals will produce POISONOUS gasses when HEATED:
Cinnabar
Realgar
Stibnite
Wash your hands after handling them and do not eat while working with them.
These crystals ARE TOXIC to INGEST:
Minerals and metals containing:
Aluminum
Arsenic
Barium
Cadmium
Copper
Lead
Mercury
Zinc
These Crystals will get damaged by Salt:
Any raw, rough stone. Any stone with hardness under 7. If you are not sure, use another method.
Amber
Angelite
Azurite
ALL Calcites
Dioptase
Imperial Topaz
Fire Opal
Kyanite
Kunzite
Malachite
Moonstone
Opal
Red Coral
Selenite
Turquoise
DO NOT make Gem Elixirs, Gem Waters, or Massage Oils & DO NOT Ingest, Consume, or Put in Your Mouth:
Adamite – zinc, copper
Amazonite – copper
Amber – toxic dust, fumes, possible ingestive toxicity
Angelite – lead, sulphur
Aragonite-
Atacamite – copper
Auricalcite – zinc and copper
Azurite – copper
Boji-stones/Kansas Pop Rocks (may contain sulphur)
Bronchantite – copper
Cerrusite – sulphur, molybdenum
Chalcantite (aka “blue shit”) – copper
Chalcopyrite (Peacock Stone, Peacock Ore) – copper and sulphur
Chrysacolla (Chrysocolla) – copper
Cinnabar – mercury
Cobaltocalcite (Pink Cobalt Calcite) – cobalt
Conicalcite – copper
Copper – copper
Coral – organic, may contain bacteria as well as pollutants from toxic materials in the water it forms in
Cuprite – copper
Diopside – copper
Dioptase – copper
Eliat Stone – copper
Emerald – aluminum
Garnet – aluminum
Gem Silica – copper
Galena/ Galenite – lead
Garnierite (Genthite, Falcondoite) – nickel
Hiddenite – aluminum
Iolite – aluminum
Kansas Pop Rocks – may contain sulphur
Kunzite – aluminum
Kyanite – aluminum
Labradorite – aluminum
Lapis Lazuli – may contain copper, sulphur
Marcasite (Markasite) – sulphur
Magnetite (Lodestone) – iron in large quantities
Malachite – copper
Meteorite – may contain many toxic substances
Mohawkite – copper, arsenic
Moldavite – aluminum
Molybdenum – molybdenum
Moonstone – may contain aluminum or other toxic substances
Mother of Pearl – organic, may contain bacteria as well as pollutants from toxic materials in the water it forms in
Opal – toxic dust for inhalation
Pearl – organic, may contain bacteria as well as pollutants from toxic materials in the water it forms in
Psiomelane – barium
Pyrite (Fool’s Gold) – sulphur
Quartz (Do Not Inhale Dust) – toxic dust for inhalation
Realgar – sulfur, arsenic
Rhodocrosite (Rhodochrosite) – lead
Ruby – aluminum
Sapphire – aluminum
Sodalite – aluminum
Spinel – may contain aluminum, zinc
Stibnite – lead, antimony
Smithsonite (Galmei, Zinc spar)- zinc, may contain copper
Sulphur – sulphur
Tiger’s Eye
Topaz
Tourmaline, Watermelon – aluminum
Turquoise – copper
Uranium – radioactive mineral
Vanadanite – lead
Variscite – aluminum
Wulfenite – lead, molybdenum