She termed the agreement a milestone for the development of gemmological
sector and said that it would also invite women entrepreneurs to be a part of gems export industry which if further developed would become a source of earning foreign exchange.
The best semi-official reassurance comes from independent gemological associations such as the Gemmological
Association (GA) in the UK and the Gemological Institute of America (GIA).
expert said he thought it would be worth more as a geological curio than a gemstone.
The diamonds will be sealed and carry certifications from premium grading institutes such as the Gemmological
Institute of America, HRD Antwerp and the International Gemmological
International Diamond Laboratories (IDL), an initiative of the DMCC, also signed a separate MoU with GAC for the possible establishment of a joint functional gemmological
service centre in the People's Republic of China.
Fred served as gem expert for Jewelers' Circular-Keystone, contributing editor for Lapidary Journal (since 1945), and a consultant for the Gemmological
Association of Japan.
To assist visitors with making informed buying choices, the world's foremost authority on gemology the GIA (Gemmological
Institute of America) will be offering visitors complimentary seminars on gems and jewellery.
Blauwet loaned five of the faceted stones (0.52-1.96 ct; Figure 3) to AGL for examination, and the following gemmological
properties were recorded: colour--brownish yellow to yellow, except for one sample that was orangey yellow; no obvious pleochroism; RI--1.592-1.623; birefringence--0.028-0.029; SG--3.12-3.20; fluorescence--inert to long-wave UV and weak-to-moderate yellow to short-wave UV radiation; and no features were visible with the desk-model spectroscope.
Hamid Usman Khattak, Gemmologist from Gems and Gemmological
Institute of Pakistan (GGIP) delivered a detailed lecture on gemstone deposits of Pakistan and identification of gemstones.
The workshop titled "Gemstone Grading, Treatment and Evaluation" was organized by PMNH (a subsidiary of Pakistan Science Foundation), International Gemmological
Laboratory, Gems and Gemmological
Institute of Pakistan (GGIP), Pakistan Association of Petroleum Geologists and Islamabad Women Chamber of Commerce and Industry.
The course was conducted by the director of the diamond department at the Swiss Gemmological
Institute (SSEF) in Basel, Jean-Pierre Chalain.