Amazonite

Amazonite is believed to calm the brain and nervous system. It is said to dispel negative energy and to improve confidence, leadership and communication skills.
Useful in challenging situations, when you have a difficult question to answer or for public speaking.
It is a good stone for enhancing self-expression and creativity, so invaluable for writers and artists.
In healing, it is believed to help the body with the absorption of calcium, so useful in preventing osteoporosis. Also beneficial by relieving menstrual cramps and muscle cramps.