News

Spiral structure in a Colombian emerald
Colour zonations in a "solid CO2-rich" diamond
Micrographs

Colour zonations in a "solid CO2-rich" diamond

Read
Cover of the 4th Issue of Gemmes
Insight

GGTL Laboratories: Official Sponsor of GEMMES Magazine – Announcement of the 4th Issue

Read
Flame pattern in a non-nacreous natural pearl from an unknown mollusc
Micrographs

Flame pattern in a non-nacreous natural pearl from an unknown mollusc

Read
Garnet inclusion in type Ia diamond
Micrographs

Garnet inclusion in type Ia diamond

Read
Bubbles in epoxy resin, emerald from Chivor in Colombia
Micrographs

Bubbles in epoxy resin, emerald from Chivor in Colombia

Read
Blue residues and gas in bubbles in a green synthetic quench-cracked flame fusion sapphire
Micrographs

Blue residues and gas in bubbles in a green synthetic quench-cracked flame fusion sapphire

Read
Light interference in a thin fracture containing artificial glassy material, ruby from Cambodia (TE2)
Micrographs

Light interference in a thin fracture containing artificial glassy material, ruby from Cambodia (TE2)

Read
Cavity filling (C2) in a ruby from Mong Hsu in Myanmar
Micrographs

Cavity filling (C2) in a ruby from Mong Hsu in Myanmar

Read
Elongated biotite crystal inclusion with interface light interference, Aquamarine, Madagascar
Micrographs

Elongated biotite crystal inclusion with interface light interference, Aquamarine, Madagascar

Read
rutile needles partially altered in a Ruby from Mogok (TE2)
Micrographs

Rutile needles partially altered in a Ruby from Mogok (TE2)

Read
Genève
Insight

GGTL Laboratories Switzerland visiting presence at GemGenève

Read
Fibro-radiated crystallisation of Willemite Zn2SiO4 coloured by cobalt on the surface of a glaze
Micrographs, Publication

Fibro-radiated crystallisation of Willemite

Read