Moldavite

Moldavite is said to be the stone that initiates transformation and brings about an acceleration of spiritual evolution. It helps in activating the 'dream states'. It has the energy to neutralize the hold of hypnotic commands. It helps in cleansing the energy and acts as a spiritual protector.
 
Moldavite (Czech: Vltavín) is a forest green, olive green or blue greenish vitreous silica projectile rock formed by a meteorite impact probably in southern Germany (Nördlinger Ries Crater) that occurred about 15 million years ago. It is a type of tektite.