Kammererite

Kammererite       
Assists with the development of the third eye
Stimulates the crown chakra toward total spirituality 
Provides endurance to spiritual endeavors
Activates the chakras and clears the aura
Promotes flexibility in ones belief structures and in the manifestation of that which one “knows”
Allows to proceed from the heart to the inner consciousness in order to determine “truths”
Alleviates stress
Can relieve pain and stiffness
From India
 
These are priced by weight and not necessarily by size.