Sphalerite from Tennessee is no longer being publicly mined. Therefore, makes this piece a very unique and special piece. It has firey red undertones known as ruby jack with beautiful twin calcites sprinkled on the top. This piece is approximately 2 inches long by 1 1/2 inches wide and weighing in at 5 oz. Spiritually, Sphalerite has grounding and balancing properties. It is believed to increase courage and creativity, improve your willpower, and give you an overall great feeling for life.