Stibnite

Chemical Composition: Stibnite is a metallic mineral, Antimony Trisulfide, small amounts of iron, copper, or lead may be present. Formula Sb2S3
Hardness: 2
Metaphysical Properties: Protection, condusive to meditation. Totem stone of the Wolf.
Astrological Signs: Scorpio, Capricorn
Chakra: Root