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Your position HOME > Diamond Knowledge: diamond and diamond what is the difference?

Diamond Knowledge: diamond and diamond what is the difference?

AUTHOR : shinegem Date : 2011-9-5 9:06:10
What is diamond?

Diamond is not a diamond, diamond is the imitation diamonds collectively. When you buy diamond afraid to buy a diamond, in fact, a great difference between diamond and diamond, the value difference is also large, diamond has the following types, here to remind everyone must understand the re-purchase.

1, glass stones: ground glass is very easy to distinguish between the fake diamond because of its low refractive index, not the kind of real diamonds flashing colored light, a little experience, who see the answer. This kind of "diamond" is often used for cheaper jewelry.

2, synthetic spinel: it lacks the diamond flashing colored light, it would be immersed in diiodomethane, its outline will be blurred. The outline of the diamond is really very clear.

3, synthetic sapphire: colorless transparent synthetic sapphire and figure can be used as diamond substitutes. But it is in the "diiodomethane" almost disappear, while the dark edge of real diamonds, very clear.

4, crystal and topaz: the transparency of the two natural mineral crystals, and diamonds after pondering upon similar, but they lack the fire of diamond-bright color. And they are "non-homogeneous body", while the diamond is "homogeneous body," instrument is easier to use polarized light to distinguish.

5, zircon: in before the advent of man-made cubic zirconia, zircon is the best diamond substitute. Zircon has a strong birefringence, that it has two refractive index and refractive index and the difference between two larger. The resulting a very special optical phenomenon, observed with a magnifying glass when pondering a good Zircon Faceted stones, can be seen by its top surface and bottom of the ridge there is a clear double shadow. The diamond because it is "homogeneous body", no double image phenomenon.

6, cubic zirconia (ie, "the Soviet Union Diamond"): This is the first of the former Soviet Union launched the best diamond substitute products or pretending it is man-made compounds, no natural minerals. Because cubic zirconia in the refractive index, dispersion, etc. very close to natural diamonds. But its hardness is low (8.5) 1.6-1.7 times the weight of the diamond, up to 5.6-6, and thermal conductivity much lower than the diamond, it can use its instruments to accurately distinguish the diamond.

Now we finally understand the "diamond" concept of it, in addition to "diamond" in the glass easier to distinguish, the other a "diamond" is generally the most important thing is to look shiny. In natural light, the diamond brilliance is always a "diamond" imitation can not match. Suggest that, in everyday purchase, it is just the right to be inaccurate, do not buy or authority with professional testing organization under the protection of the certificate issued to buy.
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