Color: Light brown to dark almost black
Shape: trigonal, often long with well defined points or clusters
Hardness: 7
Geographical: Brazil, Switzerland and the US
Obtainability: Easy both in small stones and large pieces
Physical Use: Eases pain in back, hips, and legs
Emotional Use: Brings calm and peace in a present moment
Healing Effect: Creates a safe and nurturing energy field for the release of negative emotions