Gemmology Grading & Nomenclature

Documents

Order by : Name | Date | Hits [ Ascendant ]

What you should know about buying Opal What you should know about buying Opal

hot!
Date added: 11/12/2009
Date modified: 05/04/2010
Filesize: 103.8 kB
Downloads: 1987
Brochure published by the Jewellery Association of Australia.

Water in Opal Water in Opal

hot!
Date added: 09/09/2011
Date modified: 09/09/2011
Filesize: 1.05 MB
Downloads: 1438

‘Water in Opal’ by Nicole McGowan, UTS – School of Chemistry & Forensic Science. Delivered at the 7th National Opal Symposium held at Lightning Ridge in July 2011.

Sphere Packing in Opal Sphere Packing in Opal

hot!
Date added: 09/09/2011
Date modified: 09/09/2011
Filesize: 2.65 MB
Downloads: 1649

‘Sphere Packing in Opal’ by Paul Thomas, UTS – School of Chemistry & Forensic Science. Delivered at the 7th National Opal Symposium held at Lightning Ridge in July 2011.

Smoke Treatment in Wollo Opal Smoke Treatment in Wollo Opal

hot!
Date added: 12/06/2012
Date modified: 12/06/2012
Filesize: 643.46 kB
Downloads: 1339
Bear Williams, CG and Cara Williams, FGA

Prevention of Cracking in Ethiopian Opal Prevention of Cracking in Ethiopian Opal

hot!
Date added: 04/28/2011
Date modified: 04/28/2011
Filesize: 3.26 MB
Downloads: 3042
By S.V.Filin, A.I Puzynin Dubna, JINR, Russia. In The Australian Gemmologist, October-December 2009. Vol.23, No.12.
Facebook
Google+
Youtube
LinkedIn