Today, most people admire diamonds for two exceptional attributes: their hardness and their brilliance. Scholars knew of diamonds' unrivaled hardness since antiquity, but its unique optical ...

In a recent correspondence on hardness 1, several assertions were made, some of which are incorrect and some are misleading. First, the title “What does 'harder than diamond' mean?”, ...

hence the diamond is justly held to be the hardest.-Every person is familiar with regard to the comparative hardness of these two bodies, but very few are acquainted with the comparative hardness ...

They're the epitome of romance, glamour and status — but they also have a dark side. DW's Karin Helmstaedt explores the many ...

Diamond’s allure as a gemstone and its use as a tool due to its hardness have encouraged research on technical applications for centuries. Isaac Newton studied diamond, measuring its refractive ...

( Queen Victoria Mary, the wife of King George V of the United Kingdom (and grandmother of Queen Elizabeth), is depicted in a 1914 photograph wearing the crown with the famous Cullinan Diamond, valued ...

As of quality is concerned, both lab-grown and natural diamonds are identical in physical and chemical properties, including ...

China slapped new export controls on a batch of minerals, including antimony, that are key to the U.S. defense industry in a move that could send prices in the defense sector soaring.

Famously a girl's best friend, diamonds come in all colours, shapes and sizes, but what makes a truly iconic piece of diamond ...

Everything you need to know about your turntable stylus and the differences between Moving Magnet, Moving Coil and Ceramic ...