Tag : Heat Treatment

Zircon inclusions in unheated pink sapphires from Ilakaka, Madagascar: A Raman spectroscopic study

Author(s) :

M.S. KrzemnickiP. LefevreW. ZhouH.A.O. Wang

- Date : 2021

Zircon inclusions in unheated pink sapphires from Ilakaka, Madagascar: A Raman spectroscopic study. Published in IGC 2021 Online Proceedings, 21-23. https://www.igc-gemmology.org/igc-2021-online

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Heating and diffusion processes on rubies: characteristics, detection and declaration

Author(s) :

M.S. Krzemnicki

- Date : 2010

Tags : CIBJO / Disclosure / Heat Treatment / Ruby / Ruby Treatment

Talk on ruby treatments and terminology during CIBJO Ruby Day in Munich in February 2010.

Author(s): M.S. Krzemnicki

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Ruby heat treatment and fracture repair

Author(s) :

H.A. Haenni

- Date : 2001

Tags : Heat Treatment / Treated Gemstones / Treatments

Ruby heat treatment and fracture repair. Published in Jewellery News Asia, 2001.

Author(s): H.A. Haenni

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Origin of the cat’s eye effect in heat-treated zircons from Sri Lanka

Author(s) :

H.A. HaenniM. Weibel

- Date : 1988

Tags : Cat's Eye / Heat Treatment / Sri Lanka / Zircon

Origin of the cat’s eye effect in heat-treated zircons from Sri Lanka. Published in Journal of Gemmology, 1988.

Author(s): H.A. Haenni, M. Weibel

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Tag : Heat Treatment

Zircon inclusions in unheated pink sapphires from Ilakaka, Madagascar: A Raman spectroscopic study

Heating and diffusion processes on rubies: characteristics, detection and declaration

Ruby heat treatment and fracture repair

Origin of the cat’s eye effect in heat-treated zircons from Sri Lanka

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