Iodine

Iodine was an elemental material found in the Realms.

Availability
In, the Elemental Store of Karsus Enclave sold pure elemental iodine for 13 gp per.

Usages

 * Iodine was used in various poisons as well as medicines.
 * Cloudburst used powdered iodine crystals and powdered silver as material components.
 * Iodine blocked Geomantic divination, and the sb'a, thmn, and tsn geoglyphs were weakened by proximity to iodine.
 * The magical tome Lions of Tomorrow had parchment consisting of seaweed soaked in a solution of iodine in order to avoid Geomantic divination.