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Identification Of Natural And Synthetic Crystals

Distinction between natural and synthetic crystals and a crystal characterized by crystal gloss, crystal jewelry natural oil gloss surface display, but synthesis of crystal china jewelry is displayed on the surface sheen of glass...

 
 
crystal beads
crystal beads
PRLog - Apr. 14, 2010 - Distinction between natural and synthetic crystals and a crystal characterized by crystal gloss, crystal jewelry natural oil gloss surface display, but synthesis of crystal china jewelry is displayed on the surface sheen of glass, also there is no oil sheen in the synthetic crystals. 8q yo crystal, though not a precious gem, but its unparalleled performance and good value for money and the medical world more and more men and women alike. As a crystal lover, want to have all the varieties of crystals, whether natural or synthetic, but he certainly would like to know your crystal is synthetic or natural. http://www.hibeads.com/crystal-gemstone-beads-c-109_122_156.html  

Stone appeared on the market a large number of synthetic crystal necklace, a common colorless crystal, brown series (including the smoke color, ink) of the crystal and purple series (including purple, gray and purple, dark purple) and crystal necklace People do not often have the yellow series (light yellow, yellow, golden yellow) and green crystal necklace series (yellow-green, light green, dark green, dark green) and crystal necklace. They are inexpensive for the ladies to add a lot of style. However, some merchants do not want to admit their own crystal crystal is synthetic, often "natural crystal necklace" to sell synthetic crystal necklace. Therefore, it is necessary to identify synthetic or natural crystal necklace crystal necklace.

Now the market colorless crystal necklace and citrine necklace can be described as mixed semi-natural and synthetic, but most of the synthetic color crystal necklace crystal. Less true natural Caijing, used on a necklace made of less.

I synthetic crystal is characterized by the largest nuclear sub Jingjing. If synthetic crystal nucleation is good reason, because nuclei are generally colorless slab column, with clear boundaries around the synthetic crystal. But recently the market a number of colorless synthetic crystal, because crystal nucleation, and synthesis are colorless, coupled with the nuclei of some natural features or inclusions in crystals in the nucleus and the synthesis of a number of air bubbles between, so that some did not experience people easily mistaken for a natural crystal, careful observation reveals that nuclei in the package body exists only son of the nuclear column, surrounded by an invisible wall there is a stopped, the feeling off without delay. Between the nucleus and the synthesis of crystalline bubbles are distributed along the nucleus wall formed parallel to each other "bubble wall." Some bubbles were tadpole-like, head over to the outside end wall arrangement. Natural crystal is also often arranged in groups along a surface inclusions appear, but the face is usually a single, ups and downs of, and the composition of the surface of china gemstone wholesaler the package body in the gem will be detected under the microscope as the two-phase inclusions, and not just bubbles. The difference is obvious.


It is noteworthy that in the synthesis of Amethyst, the often dark purple of some films with good orientation, it is easy to think of natural amethyst color groups in the characteristics of irregular flakes. The biggest difference between the two synthetic amethyst in deep purple color group was nearly parallel to the sheet orientation, size small difference of form, line clear. The color of natural amethyst group is arbitrary irregular shape, color changes with depth, but the line is the gradient. If we Synthetic Amethyst floating in the dark purple film metaphor of "purple cloth", then the natural purple amethyst in groups can be regarded as floating "Zi Yan group." This is the main difference between the two.


Lead-glass like crystal and glass with high refractive index of rare earth imitation amethyst in the market more common, their mutual distinction as follows: (1) hand contact with heart or Tsui disgrace gem, a cool sense of the natural crystal; glassy imitation crystal with warm feeling. (2) using polarized light microscopy: a 360-degree rotation in the polarizing microscope, and four out four dark change is a natural crystal, there is no change in the vitreous like crystal. (3) using two-color check: There are two natural amethyst color, vitreous materials like crystal no dichroism. (4) in transmitted light with the times examined under a magnifying glass, can be found basically the bubble of glass like crystal set. (5) with a hardness of 6 on trial feldspar stone, the gem stone in the long program, with the nicks can be drawn is that crystal, slip the vitreous like crystal. If there is no feldspar or directly on the glass program, scored the crystal can be set aside, no nicks the vitreous like crystal. (6) was detected with a thermal conductivity: the thermal conductivity meter adjusted to 4 cell test green gems, crystals can be up to the yellow 2 cells, while the glass like crystal products do not rise up to the time when the area is a large yellow one compartment.

For more information please visit http://www.hibeads.com, wholesale jewelry online store.

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Established in 1998, Golden Stone Jewelry Co.,LTD . wholesale various kinds of natural gemstone beads, semiprecious stone beads, pearls, mother of pearls, rough gemstones and mineral specimens. As one of the biggest wholesaler in china, we have our own digging area, pearl farm and manufactory in Hubei, Zhejiang, Jiangxi province. Through years' of business dealing, we have won the long-established confidence among the clients from various countries.
our online jewelry store: http://www.hibeads.com

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