2021-07-13
AN UPDATE ON IDENTIFICATION FEATURES OF TREATED BALTIC AMBER
Amber is an organic gem. Organic gems are the products of living or once-living organisms and biolog......
WHAT SHOULD BE IN THE IDEAL GEMMOLOGIST'S TOOLKIT?
the essentials of any gemmology toolkit start with the hand-held instruments. These smaller items ar......
Fancy colour diamond prices up on US rebound
Prices of fancy colour diamonds rose in the first quarter of the year as major economies like the US......
Alrosa unveils new tech to trace diamonds
Russian miner Alrosa is introducing an innovative diamond-tracing technology that uses non-invasive...
101-carat diamond sells for US$12.3M – in cryptocurrency
An exceptional 101.38-carat diamond, which fetched HK$95.1 million (around US$12.3 million) at aucti......
2020-12-02
图文视频详解批量加工宝玉石圆珠
描述...
2020-11-23
About the story of sugilite
The mineral sugilite is a relatively recent discovery. The Japanese petrologist Ken-Ichi Sugi (1901......
