Raw crystal ring. Herkimer diamond ring.  Crystal quartz ring. Rock quartz crystal statement ring.

ANTHRAXOLITE a.k.a. “Tibetan Black Quartz” 
Birthstone - April
Aries

According to metaphysics Tibetan Black Quartz: 

*Spiritually protective and purifying
*Deepens meditation
*Supports nervous system and balances the body's energy centers
*Clears and energizes one's auric field