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01/01/1995

Rubin aus Mong Hsu, Myanmar (Burma) ein neues Vorkommen von kommerzieller Bedeutung Teil 1

Authors: Adolf Peretti, Karl Schmetzer, Heinz-Jürgen Bernhardt, Fred Mouawad Published in: Trade Journal Download Publication

Ruby
01/01/1994

Fluorite inclusions in Mong Hsu ruby

Authors: Adolf Peretti, F. Mouawad Published in: JewelSiam Download Publication

Ruby
01/05/1993

An in-depth look at Russia’s hydrothermal synthetic rubies

Authors: Adolf Peretti, Christopher P. Smith Published in: JewelSiam Download Publication

Ruby, Synthetics
01/01/1993

Rubies du Vietnam: Etude comparative avec les rubies de Birmanie e d’ autres provenence

Authors: Adolf Peretti, M.-L. Dele -Dubois, J. Fournier Published in: Revue De Gemmologie Download Publication

Ruby
01/01/1993

Foreign substances in Mong Hsu rubies

Authors: Adolf Peretti Published in: JewelSiam Download Publication

Ruby
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Latest GRS Alerts
New types of synthetic periclase identified by C2S inclusions – dicalcium silicate cement hardener 19/12/2018
Warning: Synthetic Padparadscha sold as Natural in the trade. 11/09/2018
GRS Alert: Unusual phosphorescent pebbles identified as synthetic aggregates 24/04/2016
Recent Posts
Video: Mozambique Ruby Collection – A Lifetime Experience 05/05/2020
Color stability test: Overview of “type” classifications 23/12/2019
Introducing GRS brilliancy-type “vibrant” 14/11/2019
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