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Discovery of a new Mineral Metamict Allanite

Industry News Published February 14, 2009 at 1:44 am No Comments

This article is reproduced with kind permission from the National Gem and Jewellery Authority. This ia a black amorphous mineral from Sri Lanka-D.P Gunasekera, FGA ,President: Crystals gallery-Gem Lab. Chemical analysis was performed on a JEOL 733 electron microprobe equipped with Tracor Northern 5550 and 5600 automation. Data reduction was done with a PAP routine [...]

Botswana Gemstones and Minerals Depicted on Stamps

Industry News Published November 10, 2008 at 3:12 am 1 Comment

By T Piyadasa-Former director general of the National Gem and Jewellery Authority Article reproduced with kind permission from the National Gem and Jewellery Authority Botswana is 581730 Km sq in area,situated in the South African Plateau.It is surrounded by other countries- the republic of South Africa to the south-east and south. Namibia to the west, [...]

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