Vanadinite

Chemical Composition: Pb5(VO4)3Cl
Hardness: 3-4

Metaphysical Properties: facilitates mental processes, allows for a deep state of meditation. Promotes thrift in spending and order to one's life.

Corresponding Astrological Sign: Virgo
Corresponding Chakras:
Red - Root Chakra, 1st
Orange - Sacral Chakra, 2nd