エメラルド, as a stone for birth in May and 55th anniversary of marriage, is very common in jewelry customization such as ringing and hanging. It is a gift, symbolizing wealth, happiness and longevity.
There is an emerald treasure in the world called the Devonshire emerald crystal. It is an uncut beautiful green Colombian crystal. 重さがある 1383.95 カラット. It is a hexagonal column of equal length and width, about 51mm in length and width. The beautiful dark green grass color, because of the development of cracks, has always remained intact and dared not cut.
Another emerald called Patricia weighs 630 カラット. 加えて, there are five unnamed emerald crystals, 重さを量る 1796 カラット, 1752 カラット, 1492 カラット, 1100 カラット, そして 200 カラット. The above gems were all produced at the Mozo Mine in Colombia and are now in the American Museum of Natural History.
In the Vienna Museum, オーストリア, there is a huge emerald vase weighing 2681 カラット, which is a peerless treasure. The Andri Crown made in 1593 もっている 453 emeralds with a total weight of 1,521 カラット. It is a famous jewelry in the world, with the largest one weighing 45 カラット. The gem has gone through wars, toss and turns, but its whereabouts are unknown.
The emeralds collected by the Iranian royal family are the highest in the world, and there are a large number of emerald-encrusted belts and necklaces.
Emerald is often referred to as stepped faceted stone, so it is also called emerald, and there are also curved emeralds. The curved emeralds with cat-eye glitter are rare treasures.