Dr Michael Krzemnicki

SSEF conducts analysis of cobalt-blue spinel from a newly reported source in Tanzania

SSEF conducts analysis of cobalt-blue spinel from a newly reported source in Tanzania

diamond world news service

17 May 2022

2 min read

Gem-A hosts centenary conference

Gem-A hosts centenary conference

diamond world news service

05 Nov 2008

2 min read

Diamond World

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