Tourmaline is found undifferentiated dikes of silica-rich intusive rocks and is quite comon around granite,where pegmatitic , pneumatolytic mineralizations are found. It is also an accessory mineral in schists and gneisses.

Chemical composition (Na,Ca0 (Li, Al, Mg, Fe, Mn)3 (Al, Fe)6 B3Si6O27(O, OH, F)4
Color black, pink, violet red,green,blue,orange,yellow
Lustre Vitreous
Hardness 7 - 7.5
Crystal system Trigonal
Origin Sri Lanka, Soviet Union, Afghanistan, Burma, USA ( California, Maine, connecticut)
Healing properties*

Rubellite: ( red or pink ) can be a stimulating or calming stone depending on the depth of color.Energizes the sacral charka, which increases all forms of creativity. Watermelon Tourmaline: ( green intermixed with pink ) excellent for balancing the heart charka on all levels Verdelite: ( green ): Boosts the immune system. Increases confidence and helps to bring us a sense of belonging Indicolite: ( blue ): Activates the brow charka, so benefits perception,intelligence, and absorption of information.

Ancient legend says that tourmaline is found in all colors because it traveled along a rainbow and gathered all the the rainbow's colors. Tourmaline is believed to strengthen the body and spirit, especially the nervous system, blood, and lymphs. It is also thought to inspire creativity and was used extensively as a tailsman by artists and writers.