Bismuth (Bi), Element/Atomic Number 83
When cooling from molten to solid, Bismuth crystallizes. The iridescent colors are the result of natural oxidation. There is no shaping, enhancing, or manipulation of these crystals.
Bismuth has been used as a stone of transformation; it directs the change to orderliness and calms the state of change. It stimulates cohesiveness in groups and relationships.