Color:  Yellow, brown, orange, red, violet, blue, green and colorless

Treatment:  Yellow zircon is heated to improve color.  Brown samples are heated to produce blue, red, and colorless gems.

Deposits: Cambodia, Thailand, Sri Lanka, Australia, Tanzania, and Vietnam.

Talismanic Use:  Thought to produce clear thinking.   Yellow samples thought to increase sexual energy and attract lovers. Orange zircon thought to guard against jealousy and envy.  Brown zircon was used as a healing stone.

Moh's Hardness:  6.5 to 7.5   Zircon is a brittle gemstone subject to damage along facet junctions.  The gemstone should be stored separately.