Brazil dug up a 700-kilogram emerald worth 2 billion into 200,000 carat fake pink van cleef necklace emerald

Jadeite (jadeite), also known as emerald jade, jade, jade Myanmar, is a jade. Jadeite is the correct definition of jadeite-based pyroxene mineral fibrous assembly [12]. However, jadeite is not equal to jadeite [1] Jadeite is a conglomerate of stony polygons that have reached the grade of jade under geological formation and are mainly composed of jadeite, jadeite, sodium (pyroxene) and sodalite (green Pyroxene), may contain amphibole, feldspar, chromite, limonite and so on. [3]

In ancient times, emerald was a bird living in the south with very beautiful coat color, usually with blue, green, red and brown colors. Generally speaking, the male of this bird is red, which is called 'Fei' and the female is green, which is called 'Tsui' Utensils, the sale of Yunnan province provinces. Top grade Liang Yu, sent to eastern Guangdong, Shanghai, Fujian, Zhejiang, Kyoto to the late Qing dynasty, only Tengchong city that there are hundreds of jade workshops, jade carpenters more than 3,000 people, the cut The vessels were sold to all provinces of Yunnan Province Yuanliangyu, often sent to eastern Guangdong, Shanghai, Fujian, Zhejiang, Kyoto 'inchaikai' Teng copy van cleef black onyx necklace Yue native land 'producing emerald Burma Meng arch, Myitkyina area, only 150 away from our border in Yunnan Km. Wanli in the Ming Dynasty, where Yongchang Prefecture was (now Baoshan City, Yunnan Province) jurisdiction. Due to historical reasons, the emerald called 'Oriental Treasure' has been imported into our country from the border cities of Yunnan such as Tengchong and Ruili for four or five centuries. Recently, at the Canaiba mine in Pindoba Basu, van cleef butterfly imitation necklace Brazil, workers They found a giant jadeite weighing 800 pounds (about 726 pounds), valued at up to 235 million pounds (about 2.01 billion yuan) the day, the miners found this originally looks black rock reflected in the light Green light, so stop the excavation work in hand, turn carefully digging around the rock to avoid damage It is reported that this gem can be processed into a 200,000-carat emerald. Currently, a mine owner bought it, and has completed the certification process. He hopes the next piece of gemstone can be extended to be exhibited in various museums and libraries: how to distinguish the true and false of emerald?

texture. Natural jade texture transparent or translucent, oily glossy surface, careful observation, we can see the near-circular slightly transparent 'salt particles' and around the fibrous material hardness. Jadeite jade is natural, Mohs hardness is 7 degrees, with a sharp knife engraving, will not leave traces; low hardness of fake jade, knife can be scratched traces of Tsui. Natural jade against glare observed, showing that there are other mineral particles of Cuise flash, known as Cuihua or Tsui sex; made of glass, plastic, porcelain made of counterfeit goods are not such 'Tsui' Features Relative density ( proportion). Natural emerald structure hard and tight, no bubbles, density, percussion sounds crisp; counterfeit structure is loose or bubble, density is small, percussion sound crisp brittle color. Genuine Cui Chun Yan Yan pure. Some counterfeit goods are white jade, serpentine, Australian jade, Korean jade, marble and even miscellaneous stones, after decolorization, poured into the high hard plastic pulp and add color processing, or immersed in green liquid made of 'add color jade 'In the glare under the observation, we can see the green lines, messy and small; although some lines are not obvious, but muddy, poor gloss, the weight of light than genuine sound. step:

1. Prepare an agate stick, a rope. (General merchants have, we must ask him to want, do not care about face)

2. Hang the bracelet with a rope, be careful not to use hand!

3. Lightly brace the bracelet with an agate stick (note that the agate stick will prevail! Coins, keys, and others are inaccurate!)

4. Voice: The sound of the real goods more melodious, like the sounds of wind chimes as good! Fake, sound, boring, hoarse. Like picking up the sound of two keys knocking on each other Note: different germplasm bracelets, it is estimated the sound of knocking out will be different, and now counterfeit technology superb is false, sounds louder than the average genuine bracelet .

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