Scapolite

Chemical Composition: a silicate mineral composed of aluminium, calcium, and sodium silicate with chlorine, carbonate and sulfate.
Chemical Formula: Na2Ca2Al5Si7O24Cl
Location: Madagascar
Hardness: 6 Metaphysical Properties: Independence, initiative, change, and growth. Stamina and clarity. Helps one to go deep within oneself to find solutions to problems and attain goals.

Corresponding Chakras: The colorless variety corresponds to the crown chakra. Purple corresponds to the third eye chakra.
Corresponding Astrological Sign: Taurus