The semiprecious stone, which is the August birthstone, is typically the same slime lime shade as the trending hue of the summer. By Victoria Gomelsky When the acidic lime color on the cover of “brat, ...

Roula Khalaf, Editor of the FT, selects her favourite stories in this weekly newsletter. From the days of Cleopatra to the peak of the British empire, the colour of peridot made it a valued jewel.

Gems' unique elemental composition and atomic orientation act as a fingerprint, enabling researchers to uncover the stones' past, and with it, historical trade routes. Scientists now employ three ...