Above the sphere on the crown of St. Edward, England, there was once an aquamarine, which belongs to the British Royal Jewelry. This aquamarine is perhaps the most historical aquamarine.
약 1600 광고, Leopold I of Austria bought a 492ct aquamarine, which is now in the treasure house in Vienna, Austria. 게다가, in the Portuguese treasure house, there are some high-quality aquamarine collections, they are all produced in Brazil, Brazil is currently the world’s largest Shanghai sapphire production country.
The mineralogical name of alexandrite is golden emerald, which is a kind of beryllium aluminum oxide and a very rare gem resource with obvious discoloration effect. Alexandrite was first discovered in the emerald mines of the Urals in Russia. It is said that the day of the discovery of the first alexandrite coincides with the birthday of Tsar Alexander II. To commemorate this “coincidence”, the alexandrite is also called Alexandrite.
After Russia, alexandrite was also found in the placer of Ratnapura in southwestern Sri Lanka. Many famous alexandrites in the modern world are produced in Sri Lanka. The British Museum of Natural History in London has a collection of 43ct and 27.5ct alexandrites produced in Sri Lanka; the Smithsonian National Museum of Natural History in Washington, USA has a collection of 65.7ct, 16.7ct and 11ct alexandrites produced in Sri Lanka.
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