these crystals should never be used for elixirs or any substances meant to be ingested. they are safe to use externally as jewelry or other items. this list is not exhaustive.
💀alexandrite (aluminum)
💀amazonite (copper)
💀aquamarine (aluminum)
💀aventurine (aluminum)
💀azurite (copper)
💀black tourmaline (aluminum)
💀celestite (strontium)
💀chrysocolla (copper)
💀cinnabar (mercury)
💀dumortierite (aluminum)
💀emerald (aluminum)
💀fluorite (fluorine)
💀garnet (aluminum)
💀hematite (rusts, non-toxic otherwise)
💀iolite (aluminum)
💀kunzite (aluminum)
💀kyanite (aluminum)
💀labradorite (aluminum)
💀lapis lazuli (sulfur)
💀lepidolite (aluminum)
💀malachite (copper)
💀moldavite (aluminum oxide)💀moonstone (aluminum)
💀morganite (aluminum)
💀prehnite (aluminum)
💀pyrite (sulfur)
💀ruby (aluminum)
💀sapphire (aluminum)
💀selenite (shards break easily, non-toxic)
💀serpentine (asbestos)
💀sodalite(aluminum)
💀spinel (aluminum)
💀sugilite (aluminum)
💀sunstone (aluminum)
💀tiger’s eye (asbestos)
💀topaz (aluminum)
💀torbernite (radioactive)
💀tourmaline (aluminum)
💀turquoise (aluminum & copper)
💀variscite (aluminum)
💀vesuvianite (aluminum)
💀wavellite (aluminum)
💀wulfenite (lead & molybdenum)
💀zircon (radioactive)
💀zoisite (aluminum)