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Contents Gemology JewelleryDesign Jewellery SilkPainting GemCutting&Carving MyCountry All about me Links
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Gemology
F. Oya Borahan, G.G., D.G.A., F.G.A.
GIA, DGemG, GemA
Gemological Institute of America, German Gemological Association, Gemological Association of Great Britain
Gemology is the identification and grading of gemstones and also the scientific study of their formation, origin and chemical and physical properties.
It covers also the examination of the synthetics, the imitations and enhancement of gemstones.
www.gia.edu
Garnet group
Natural-synthetic emerald
Is it diamond or moissanite?
Diamond and simulants
Beautiful inclusions and structural properties
Constructed stones; doublets and triplets
Gemstones of Turkey
Courses and events
My opinions of the three gemological schools from which I received my education and my experiences.
My credentials
Minilab
German Gemmological Ass. http://www.dgemg.com
Gemmological Association of Great Britain
www.gem-a.info
Montreal Gem and Mineral Club
www.montrealgemmineralclub.ca
Natural gemstones
Doublets and Triplets
Enhanced gemstones