SSEF On-site testing in Hong Kong, 18 – 24 June 2018
We will be in Hong Kong 18 – 24 June offering our on-site testing services, during the June Hong Kong Jewellery and Gem Fair. Equipped with our mobile instruments and spectrometers, we will be testing coloured gemstones at the Convention & Exhibition Centre (21 – 24 June 2018, booth no. 3M101). Before t
SSEF on-site testing in Bangkok, May 2018
We will be in Bangkok 21 – 25 May 2018 offering our on-site testing services. Our office is in the gem trade district at the Silom Road. Equipped with our instruments and spectrometers, we will be testing coloured gemstones. Please contact us to make an appointment. More information on our Bangkok servic
SSEF at GemGenève (10-13 May, Booth B7-1)
SSEF is honoured to take part in the upcoming first edition of the GemGenève show at Palexpo in Geneva. We will be offering coloured gemstone express testing services at our booth B7-1. Further, Dr. Michael S. Krzemnicki will be giving a talk during GemGenève, details of which can be found further below. S
Origin determination and traceability: An overview for gemstones
Origin determination and traceability: An overview for gemstones. Presentation at GemGenève 2019 by Dr. Michael S. Krzemnicki.
Spinel from Mogok, Myanmar—A Detailed Inclusion Study by Raman Microspectroscopy and Scanning Electron Microscopy
Spinel from Mogok, Myanmar—A Detailed Inclusion Study by Raman Microspectroscopy and Scanning Electron Microscopy. Published in Journal of Gemmology, 2019, 36(5), 418-435.
Padparadscha-like Fancy sapphires with Unstable Colours Colouration Mechanisms and Disclosure
Padparadscha-like Fancy sapphires with Unstable Colours: Colouration Mechanisms and Disclosure. Published in InColor, 2019, No. 41, 92-94.
SSEF at Baselworld 2018 (22-27 March, Booth: 3.0/E23)
During BaselWorld 2018 (22 – 27 March), SSEF will be offering its convenient gemstone and pearl testing services. You can find us in the first floor of Hall 3 at booth No. 3.0/ E23, at a different location than in past years. The phone number at our booth (+41 61 699 51 29) remains the […]
Blockchain, Chain of Custody and Trace Elements: An Overview of Tracking and Traceability Opportunities in the Gem Industry
Blockchain, Chain of Custody and Trace Elements: An Overview of Tracking and Traceability Opportunities in the Gem Industry. Published in Journal of Gemmology, 36, 3, 212-227.
A Preliminary SIMS Study Using Carbon Isotopes to Separate Natural from Synthetic Diamonds
A Preliminary SIMS Study Using Carbon Isotopes to Separate Natural from Synthetic Diamonds. Published in Journal of Gemmology, 2018, 36, 1, 38-43. Author(s) : H.A.O. Wang, L.E. Cartier, L.P. Baumgartner, A.-S. Bouvier, F. Begué, J.-P. Chalain, M.S. Krzemnicki
Neutron Radiography and Tomography: A New Approach to Visualize the Internal Structures of Pearls
Neutron Radiography and Tomography: A New Approach to Visualize the Internal Structures of Pearls. Published in Journal of Gemmology, 2018, 36(1), 56-63.