Public Service for the Quality Control of Gem Materials.
Via della Ordole, 4,1-20123
Tel: 39- 02-8515-5250
Fax: 39- 02-8515-5258
Milan Chaber of Commerce
Official quality control of any kind of gem material.
UV-VIS-NIR Spectrophotometer, FT-IR Spectrophotometer, XRF-EDS
X-ray Fluorescence Energy Dispersive Spectrometer, Raman
Microprobe, SEM-Scnning Electron Microscope with EDS, X-ray
generator for radiographs and X-ray luminescence, X-ray generator for
single crystal diffraction of radiographs.
Certificate and Preliminary. Upon request: Sealed gemstones, express
examonation on appointment, digitalized image of jewels or gemstones,
thickness of nacre (for bead nucleated cultured pearls), kind and environment
(for pearls), country of origin for emerald, ruby and sapphire, detection of
Diamonds: Identification (natural / synthetic / treated), weight and dimensionds
cut grade, clarity, color, luminescence; grading of colored diamonds. Colored
stones ( including coral, ivvory, etc,): Identification of species
(natural / synthetic / treated), description of color, weight and dimensions, cut;
country of origin upon request. Pearls: Identification, weight and dimensions;
thickness of nacre, environment (salwater / Freshwater) upon request.
Educational shor courses.
On-site analysis of jewelry collections and ancient pieces for scientific
research , libraries, museums, via mobile unit.