Research Article Search Results

Over the last decade, the production methods used to create synthetic diamond melee have improved substantially, along with the quality of the specimens themselves.

Presents a visual guide to the growth processes and major gemological spectroscopic features of synthetic diamonds.

A look at the mining and distinguishing characteristics of this naturally vibrant blue sapphire.

艾丽卡·考特尼数十年来一直为好莱坞明星打造红毯造型。她对色彩的敏锐感知和展现宝石之美的能力显而易见。

The Responsible Jewellery Council (RJC) has announced plans to include colored stones and silver in the next revision cycle for its Code of Practices, which RJC members are certified against.

Jürgen Schütz discussed the opal sourcing and cutting activities of the German firm Emil Weis.

A look at the artistic heritage of the Drehers, an influential family of gem carvers in Idar-Oberstein, Germany.

一支抒情的舞蹈：时而一个大踢腿，大胆闪烁着丰富的色彩，时而是细碎的舞步，闪现出星星点点的光芒。

Chatoyancy, rarely seen in play-of-color opal, is observed in Ethiopian material.

Analysis of a diamond graded Fancy blue revealed a CVD synthetic overgrowth on natural diamond.

A rare Tasmanian trapiche-type sapphire, found during a field expedition, is examined.