Precious beryl, also known as a type of beryl mineral, was believed to have strong powers in ancient Mesopotamia, specifically in terms of strengthening one's faith in the gods. It is a hexagonal mineral that can come in various colors, but is most commonly green or bluish-green, and can occur transparent to translucent. Beryl is associated with the star signs Scorpio and Sagittarius, and is known for providing courage and confidence to its owner. It is also believed to have healing properties and can improve mental clarity and focus. The name Beryl is derived from the mineral and is of Greek origin. It is often associated with the precious stone Beryl, which is known for its varying colors and yellow-green hue.