Chemical composition: Be3Al2Si6O18
Hardness: 7.5 - 8
Color: Greenish yellow, lemon to orange yellow.
Origin: BRAZIL, Sri Lanka, Africa, Afghanistan
Chakra: solar plexus, crown, third eye.
Typical structure: Hexagonal
Origin of the name is Greek, meaning "a gift from the sun".
Said to strengthens the intellect and the ability to concentrate.