Tag Archives: quartz properties

Gemstone Identification Technology|Quartz Properties|Gem Industry in Ancient Sri Lanka

This Article is Reproduced with kind permission from the National Gem and Jewellery Authority Editorial It is encouraging to note that the gem and jewellery sector has recorded an overall growth of US$87.6 Million during the first 2 months of 2008 in comparison with the corresponding figure of 2007. The National Gem and Jewellery Authority’s […]

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