Gem

A gem was a valuable stone found in Faerûn.

Gem Grades
Depending on quality and value, a gem could be any of:
 * Ornamental stones (base value 10 gp)
 * Semi-precious stones (base value 50 gp)
 * Fancy stones (base value 100 gp)
 * Precious stones (base value 500 gp)
 * Gem stones (base value 1000 gp)
 * Jewels (base value 5000 gp)

Gem Magic
Many gems had special magical uses, either stemming from their value as material components in spellcasting and item enchantment or from their own innate and varied powers.