Alum
Alum is a sulfate mineral used since antiquity to fix dye into cloth, to tan leather, and to clarify murky water, one of the relatively few alchemical substances whose main use was entirely practical rather than theoretical.
| Card | Alum |
|---|---|
| Set | Alchemy |
| Edition | Unlimited |
| Book value | Est. 13 to 30 Credits once graded |
| Checklist | 70 / 116 |
| Rarity | Uncommon |
| Owned | 7 |
Alum is a sulfate mineral used since antiquity to fix dye into cloth, to tan leather, and to clarify murky water, one of the relatively few alchemical substances whose main use was entirely practical rather than theoretical.