Category Archives: Minerals

Lecture by Guy Clutterbuck at the National Gem and jewellery Authority Auditorium

A lecture was delivered by Mr Guy Clutterbuck G.G (GIA)  at the auditorium of the National Gem and Jewellery Authority, Sri Lanka on August 17th 2009. Mr Guy Clutterbuck Delivering his Lecture (Click to Enlarge) The main focus of the lecture was Fair Trade and Ethics in the Luxury Goods Market and on the Gem […]

Rare Mineral Specimen Donated to Lander University

The Environmental Geology program of Lander University ,College of  Science and Mathematics received a rare mineral specimen which was donated by Dr. Dan Robinson Jr. a Green wood county physician. The rare mineral was from his personal collection of gemstones and crystals. According to Greenwood Today the rare mineral has an appraised value of USD […]

Discovery of a new Mineral Metamict Allanite

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

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, […]