The Jahn-Teller effect, proposed by Jahn and Teller in 1937, describes how molecules or crystals with degenerate electronic ...

The beauty of vanishing: inside Boucheron’s most poetic collection yet An ancient Japanese tradition has inspired a ...

GIA will also revise the weight categories and related fees for colored stone submissions. Details of the new weight and fee structure will be available on GIA.edu on January 1, 2026. The new weight ...

Stylist's edit of the best black jewellery, from rhodium earrings to pave rings, enamel stacking rings, drop earrings and ...

See inside the rising trend of vivid gemstones as fashion's elite turn to color for expression, rarity, and modern luxury.

The code in this repository shows how to use the established covalency competition model to predict the Max(DT,DO) of a given spinel oxide. The excel file contains the features chosen to describe each ...

The Jahn–Teller effect, proposed by Jahn and Teller in 1937, describes how molecules or crystals with degenerate electronic orbitals can lower their total energy by distorting their structure. This ...

The Gemological Institute of America (GIA) is set to launch redesigned coloured stone reports and new services on 1 January ...

Thomas J. Brock is a CFA and CPA with more than 20 years of experience in various areas including investing, insurance portfolio management, finance and accounting, personal investment and financial ...

Structure-based drug design is the design and optimization of a chemical structure with the goal of identifying a compound suitable for clinical testing — a drug candidate. It is based on knowledge of ...

Standardizing structural isomeric relationships and evaluating their distribution in chemical space remain significant challenges in cheminformatics. Here, the authors propose a molecular ...

Miners collect spinels from gravel at the end of a long day at Man Sin. Photo by Vincent Pardieu, © GIA. In the spring of 2001, I was studying gemology in Yangon ...