Instrumentation

 

ROUTINE EQUIPMENT

  • Extended standard gemological equipment.
  • Several routine microscopes type (M125) with imaging.
  • 2 high-resolution stereo microscopes (up to 1.1µm) with HR imaging.
  • 1 very high resolution stereo microscope (up to 476 nm) with Z-Stack HR imaging.
  • 2 FTIR spectrometers.
  • 2 EDXRF systems (vacuum, helium)
  • 5 UV-Vis-NIR spectrometers (low-T°, reflectance, oriented, etc.).
  • 1 FT-Raman.
  • 2 Diamond low T° photoluminescence systems.
  • 1 Very high-resolution, low T° photoluminescence spectrometry system.
  • 2 Luminescence Imaging.
  • 2 High-resolution imaging.
  • 2 Radioactivity detectors with chambers (α, β, γ), 3 portable.
  • 3 High-resolution diamond scanners for cut and rough.
  • 1 Sorting machine for melee diamonds with proportions analysis (incl. table %).
  • 1 Automatic multi-sample low T° photoluminescence spectrometry system with five-wavelength laser source for melee diamond (colorless & colored).

LIBRARY

  • > 1400 books (gemology, physics, mineralogy, geology, chemistry, etc.)
  • Publications: Among others, our library contain all the main publications on gemology (English, German, French), up to 1935 (G&G).

GEMOLOGICAL REFERENCE COLLECTION

  • > 15'000 documented reference samples.

SPECIAL EQUIPMENT

  • 1 Very high-resolution & very low noise, five-laser, low T° photoluminescence system/Raman.
  • 2 three-dimensional high-resolution X-ray radiography systems.
  • 2 High-resolution deep UV and laser imaging/spectrometry systems with HR imaging.
  • 2 Photo-Induced Absorption systems.
  • 1 Research system for vacuum/high pressure (10Pa to 128 MPa) gemstones fractures filling study.
  • 2 Laboratory furnaces.
  • Chemistry equipment.
  • Classroom for refresher courses for professional.

Some new instruments are currently under development in order to increase the quality of the services provided by GGTL Laboratories.