Agate from Reichweiler, Germany
Agate from Reichweiler, Germany
Dumortierite in rock crystal, Brazil, polarised light
Dumortierite in rock crystal, Brazil, polarised light
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Two-phase inclusions in sapphire, Sri Lanka
Two-phase inclusions in sapphire, Sri Lanka
Inclusion of apatite in ruby from Tanzania
Inclusion of apatite in ruby from Tanzania
Twin-crystal of chrysoberyl
Twin-crystal of chrysoberyl
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
«Red fox agate» from Patagonia, Argentina
«Red fox agate» from Patagonia, Argentina
Fluid inclusions in quartz with bituminous daughter minerals, China
Fluid inclusions in quartz with bituminous daughter minerals, China
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
 
 

Farewell to Prof. Dr. Henry A. Hänni 1945 - 2025

With great sadness, we announce the passing of our honorary member, Prof. Dr. Henry A. Hänni.

He was one of the most prominent gemmologists of our time and left a lasting impact on the field of gemmology. His legacy will live on.

Prof. Dr. Henry A. Hänni passed away on his 80th birthday, January 9th 2025. Our deepest sympathies go out to his family and loved ones.