Posts Tagged “jewelry school in Lebanon”

Sponsor-Boghossian Bros Est

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Sponsor-Boghossian Bros Est

BOGHOSSIAN BROS EST Best quality of tools and machinery for the most competitive prices. Beirut lebanon Bourj hammoud 00961-1-250947 00961-1-251243 info@boghossianbros.com website: www.boghossianbros.com

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Diamonds & Colored Stones Grading

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Diamonds & Colored Stones Grading

Diamond has remarkable optical characteristics. Because of its rigid lattice, it can be contaminated by very few types of impurities, such as boron and nitrogen. Combined with wide transparency, this results in the clear, colorless appearance of most natural diamonds. Small amounts of defects or impurities color diamond blue (boron), yellow (nitrogen), brown (lattice defects),…

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Jewellery

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Jewellery

Jewellery or jewelry is a form of personal adornment, such as brooches, rings, necklaces, earrings, and bracelets. With some exceptions, such as medical alert bracelets or military dog tags, jewellery normally differs from other items of personal adornment in that it has no other purpose than to look appealing, but humans have been producing and…

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