CED Blog

Alexandrite’s Changing Colors

October 27, 2010

Linked to the Gemini constellation, alexandrite, with a hardness of 8.5, embodies the duality of its zodiac counterpart; it’s literally an emerald and a ruby! Itwas discovered in the emerald mines of the Ural Mountains. The Russian tsar, Alexander II, was so intrigued by the stone that it was named after him