News

Spiral structure in a Colombian emerald
GGTL Laboratories Switzerland at Watches & Wonders
Insight

GGTL Laboratories Switzerland visit at Watches & Wonders

Read
Couverture du magazine Gemmologie et Francophonie
Insight

Discover the issue 3 of GEMMES: Celebrating spring and francophonie!

Read
Automorphous phenacite crystals in a synthetic emerald
Micrographs

Automorphous phenacite crystals in a synthetic emerald

Read
Automorphous margarite crystals in an unheated ruby from Mozambique
Micrographs

Automorphous margarite crystals in an unheated ruby from Mozambique

Read
"Platelets" in an aquamarine
Micrographs

"Platelets" in an aquamarine

Read
Unheated green sapphire from Anakie, Queensland, Australia
Micrographs

Unheated green sapphire from Anakie, Queensland, Australia

Read
Digitized cavities, containing crystals and gas bubbles in an emerald from Davdar, China
Micrographs

Digitized cavities, containing crystals and gas bubbles in an emerald from Davdar, China

Read
Flat cavity containing a gas bubble in an unheated yellow sapphire from Sri-Lanka
Micrographs

Flat cavity containing a gas bubble in an unheated yellow sapphire from Sri-Lanka

Read
Blue magmatic-related sapphire from Issoire, Puy-de-Dôme, France, unheated.
Micrographs

Unheated blue magmatic-related sapphire from Puy-de-Dôme, France

Read
Margarite crystals in an unheated ruby from Mozambique
Micrographs

Margarite crystals in an unheated ruby from Mozambique

Read
Spherical gas bubbles in a cavity filled with epoxy resin in a Colombian emerald.
Micrographs

Spherical gas bubbles in a cavity filled with epoxy resin in a Colombian emerald.

Read
Heat-treated bicolour sapphires from Shandong Changle, China
Micrographs

Heat-treated bicolour sapphires from Shandong Changle, China

Read