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Alexandrite – One of the rarest and strangest gemstones
Alexandrite is a color-changing gemstone. An old saying says it's like an "emerald by day and like a ruby by night". Discovered in 1830 in Russia, the gem was named after Emperor Alexander III, the Czar of Russia in 1839. The natural gemstone has a unique range of natural color. Colors are sometimes pale, sometimes deep, ranging from blue, to the famous classic alexandrite green, to almost translucent in natural light....