The colors of rubies and emeralds are so striking that they define shades of red and green – ruby red and emerald green. But have you ever wondered how they get those colors? One feature of compounds ...

While fine jewelry is usually high in monetary value, what often makes it exceptional is that it’s steeped in significance. A piece of jewelry frequently has a particular aura that does not fade; it ...

A new collection of rings, featuring miner Gemfields’ emeralds and rubies, has been unveiled during the Journées de la Haute Joaillerie. Gemfields – a miner and marketer of coloured gemstones – has ...

Daniel Freedman does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...

While Christmas is the most popular time of year for engagements, you needn't be expecting a diamond sparkler to experience the thrill of unwrapping a piece of jewellery you’ll cherish forever. In ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Daniel Freedman, University of Wisconsin-Stout (THE CONVERSATION) The colors of rubies ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) One feature of compounds made with transition metals is their intense color. There are ...