| Mineral/Stone | Use with Caution |
| Actinolite | Fibrous form contains asbestos. Not recommended for elixirs. |
| Amazonite | Green coloring is a result of traces of copper, which is toxic |
| Azurite | Coloring may be the result of traces of copper, which is toxic |
| Bronchantite | Contains poisonous/toxic copper |
| Boji Stones | Toxic if used in elixir as no one really knows all of what is in them :) |
| Chalcopyrite | AKA Peacock Ore contains copper and sulfur which can be toxic |
| Cinnabar | Contains mercury which can be poisonous/toxic Wash hands after holding. Do not touch hands to eyes or mouth while holding |
| Cobaltite | Contains harmful arsenic |
| Conichalcite | Contains poisonous/toxic copper |
| Crocoite | Contains poisonous/toxic levels of Lead. Wash hands after holding. Do not touch hands to eyes or mouth while holding |
| Chysocolla | AKA Gem Silica Contains poisonous/toxic copper |
| Cuprite | Contains poisonous/toxic copper |
| Dioptase | Contains poisonous/toxic copper |
| Galena | Contains high amounts of lead which can be poisonous |
| Halite | Unfit for elixir use--will dissolve in water |
| Hematite | Unfit for elixir use--will rust with prolonged exposure in liquid |
| Lapis Lazuli | Pyrite inclusions contain poisonous/toxic Sulfur |
| Magnetite | Unfit for elixir use--will rust due to Iron content , not recommended for elixirs |
| Malachite | Contains poisonous/toxic |
| Marcasite | Contains poisonous/toxic Sulfur |
| Psilomelane | Contains poisonous/toxic Barium |
| Quantum stone | Contains poisonous/toxic copper |
| Realgar ** | HIGHLY TOXIC levels of Arsenic. Wash hands after use, keep away from CHILDREN!! Do not put hands near eyes or mouth before washing hands. |
| Serpentine | Fibrous forms contain asbestos. Wash hands after use. Not recommended in elixir preparation. |
| Stibnite | Contains lead and antimony. Not recommended for elixirs. |
| Smithsonite | Contains zinc and may contain copper (green Smithsonite) Poisonous/toxic |
| Tiger Eye | Fibrous form contains asbestos. Not recommended to use raw forms for elixirs. |
| Torbenite | Radioactive |
| Tremolite | Fibrous forms contain asbestos. Not recommended for Elixirs. Wash hands after use. |
| Ulexite | Contains Asbestos |
| Vanadinite | Contains poisonous Lead |
| Vesuvianite | AKA Idocrase Fibrous forms contain asbestos. Not recommended for Elixirs. Wash hands after use. |
| Wulfenite | Contains poisonous Lead and Molybdenum |
| Zircon | A rare form known as Cyrtolite is Radioactive |
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