#jewelleryfacts365 174/365 Gem fact
The value of jade is determined according to its colour and the intensity of that colour, the vivacity and texture, and its clarity and transparency. In the USA and Europe, emerald green, spinach green and apple green are regarded as particularly valuable. In the Far East, on the other hand, pure white or a fine yellow with a delicate pink undertone is highly esteemed.
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| Platinum, Jadeite and Diamond Pendant-Brooch, Circa 1920 |
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#jewelleryfacts365 173/365 Gem fact
The Mayas, Aztecs and Olmecs of Central America honoured and esteemed jade more highly than gold. In China a good piece of jade could buy towns or start wars.
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| Maya jade burial mask |
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#jewelleryfacts365 172/365 Gem fact
Thursday, July 21, 2016
Almost every color of tourmaline can be found in Brazil, especially in the Brazilian states of Minas Gerais and Bahia. In 1989, miners discovered a unique and brightly colored variety of tourmaline in the state of ParaĆba. The new type of tourmaline, which soon became known as paraiba tourmaline, came in blue and green.
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| Rough Paraiba tourmaline |
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#jewelleryfacts365 171/365 Gem fact
Some clear topaz crystals from Brazilian pegmatites can reach boulder size and weigh hundreds of pounds. Crystals of this size may be seen in museum collections.
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| Woman with large topaz crystal from Brazil, Museum of Natural History, Smithsonian Institution, Washington, D.C. |
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#jewelleryfacts365 170/365 Gem fact
Turquoise has been known by many names, but the word turquoise, which dates to the 17th century, is derived from the French turques for "Turks", because the mineral was first brought to Europe from Turkey, from mines in the historical Khorasan Province of Persia.
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| Renaissance ring, Italian, 16th to early 17th century - gold, turquoise, rock crystal |
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