Aquamarine is a variety of Beryl, also known as Emerald when it a appears as green crystals.  It accelerates the intellectual and reasoning processes leading to better assimilation of the knowledge sought.

It enhances courage by increasing preparedness and taking a more intellectual approach to physical challenges as opposed to brute force. Warriors took this talisman into battle with them for protection and quicker, smarter responses to the threats at hand.
*"Love is in the Earth" by Melody

Country of Origin: India, Russia, Brazil, USA