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Distinguish crystal , diamonds, Rhodochrosite , glass method

Date：2013-10-10 Author：zhaoyang Hits：1222

See the many jewelry counter , many people do not look at the label , then do not know what it is . In particular crystal, diamond , glass and other similar substances distance . Rhodochrosite although there colors, but still it was easy to be confused with the other .

See the many jewelry counter , many people do not look at the label , then do not know what it is . In particular crystal, diamond , glass and other similar substances distance . Rhodochrosite although there colors, but still it was easy to be confused with the other , under the following on the difference between these types of lies.

Crystal is a member of the quartz family , is one of the most common minerals . Usually formed in igneous , metamorphic and sedimentary rocks , chemical formula Sio2, Mohs hardness of 7 , rhombohedral crystal ends were cylindrical or hexahedral pyramidal crystal faces usually have stripes and shiny glass , rich inclusions . Generally speaking, the more pure crystals in color , the more light , clarity and the higher its value , the higher the refractive index .

Diamond is the main component of carbon (C), the amount of C 96% -99 6.9% . Even a pure diamond also contains 0.001% of impurities. Impurities in the diamond component has a Si, Al, Ca, Mg, Mn, Ti, Cr, N and so on. Other than N , and the remaining impurities are usually in the form of mineral inclusions , diamonds often contain magnetite , ilmenite, pyrope , chrome diopside, olivine, graphite and other mineral inclusions .

As Rhodochrosite and glass distinction Rhodochrosite non- homogeneous body , while the glass is a homogeneous body , just use a simple polarizing filter can effectively double the difference.

But is now rarely used glass to imitate Rhodochrosite , more synthetic Rhodochrosite distinguish synthetic crystals and natural crystal approach is:
A synthetic crystal of " nuclei ( a chip longitudinal inclusions ) " and there is no natural crystal .
(2) In addition, synthetic crystal color uniform , monotonous type inclusions is also associated with natural crystal phases differentiated approach .
3 price is very poor, one carat diamond can be sold for tens of thousands of pieces, and one karat crystal may in the hundred or so.

But the price point , it is impossible Rhodochrosite posing diamonds, while Rhodochrosite and between the glass are more possibilities , and many small vendors is put into a crystal glass imitation to deceive consumers.

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