Analysis of rubies with corroded surfaces
Analysis of rubies with corroded surfaces. Journal of G […]
Heating and diffusion processes on rubies: characteristics, detection and declaration (2010)
Talk on ruby treatments and terminology during CIBJO Ruby Day in Munich in February 2010.
Visit to Tanzanian spinel and corundum deposits (2010)
Presentation at Swiss Gemmological Society about trip to spinel and corundum deposits in Tanzania in October 2009 by Dr. Walter Balmer and Dr. Michael Krzemnicki
Nouveautés sur le marché: rubis de Montepuez, Mozambique
Nouveautés sur le marché: rubis de Montepuez, Mozambiqu […]
Neu im Handel: Rubine aus Montepuez, Mosambik
Neu im Handel: Rubine aus Montepuez, Mosambik. Publishe […]
New rubies from Montepuez, Mozambique
New rubies from Montepuez, Mozambique. Published in Jew […]
New Tanzania mine uncovers source of exceptional rubies
New Tanzania mine uncovers source of exceptional rubies […]
New rubies from central Tanzania
New rubies from central Tanzania. Published in Gems &am […]
Observations on treated ruby and sapphire
Observations on treated ruby and sapphire. Published in […]
Rubine aus neuen Vorkommen in Madagaskar
Rubine aus neuen Vorkommen in Madagaskar. Published in […]