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May 2016

General knowledge of gems

By | 2017-11-01T13:52:15+00:00 May 10th, 2016|Cubic Zirconia|

1.Gem: Strictly, gem is the natural nonmetallic mineral monocrystal. It is extremely hard and resistible to scratching (hardness up to 6 Moh's), with bright pure color and strong luster, very transparent, and suit for the craft request. Here the gem we are talking about is the substitute of natural gem and not really the natural [...]

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