Amethyst

The Amethyst is a violet variety of quartz with 

potential healing properties for the mind and body.  Amethysts are said to promote serenity, calm, to help reduce your anxiety.

Amethyst helps to relieve stress and relief, decreasing irritability, and a great ally to balance mood swings, dispels anger, rage, fear or anxiety. Alleviates sadness and grief, and dissolves negativity.