Definition: "Alexandrite" refers to a rare, beautiful variety of rubidium-argentate mineral found in the Earth's crust, which is named for its unique green coloration reminiscent of jade, giving it an ancient appearance. This specific type was discovered by the German geologist Carl Friedrich Gauss in 1809 and has been widely recognized as a rare gemstone for centuries. The word "Alexandrite" was chosen because it's often associated with the city of Alexandria, one of the major centers of ancient Greek civilization. It is named after the Byzantine Emperor Alexios I Komnenos (also known as King Alexander), who commissioned an Alexandrite sculpture for the entrance arch in the Great Mosque of Constantinople (today's Hagia Sophia). The name "Alexandrite" was also used to describe a gemstone that is now found only in the United States and its name is still used to refer to this mineral. The word "Alexandrite" can have several different meanings, depending on the context. For example, it can be related to gold or copper, as well as jade or amethyst. It's also a precious stone that is sometimes used in jewelry, decorative items, and for various religious purposes. The unique green coloration is often attributed to the presence of rare elements such as rubidium-argentate (the specific mineral type) in its crystals. In summary, "Alexandrite" refers to a variety of minerals including jade, amethyst, and gold or copper, and can have several different meanings based on context.

Alexandretta