Chrysoberyl has been known for thousands of years. The most valued forms are Alexandrite and Cat’s Eye. It is a very hard gem, 8.5 on the Moh’s Hardness Scale. Alexandrite changes from green in daylight to red in artificial light.
Chrysoberyl has been known for thousands of years. The most valued forms are Alexandrite and Cat’s Eye. It is a very hard gem, 8.5 on the Moh’s Hardness Scale. Alexandrite changes from green in daylight to red in artificial light.