The Norton Simon Museum In Pasadena, California Shivalingam With One Face, India, Bihar, C. 750-800, Chlorite From The Curation Card: This Strongly Modeled And Sharply Curved Head Of Shiva Is Distinguished By A Vertical Third Eye, Representing The God's Transcendental Wisdom. The Crescent Moon In His Matted Hair Symbolizes The Power Of Regeneration; Behind His Right Ear Is A Rearing Cobra, Which Represents The Infinite Cycles Of Time. Www.minerals.net/mineral/chlorite.aspx Photo