Imagine a glass window that’s tough like armor, a camera lens that doesn’t get scratched in a sand storm, or a smart phone that doesn’t break when dropped. Except it’s not glass, it’s a special ...

The gemstone spinel, known for its vibrant colors resembling gems like rubies and sapphires, has now been shown to be capable of storing quantum information, making it a viable material in the field ...

Although chromium itself is not an active element, its continuous dissolution enables a reversible surface transformation ...

All that glitters is certainly not gold. But all that is radiantly red is not a ruby either. A line of luminous crystals, ...

Peridot is a yellow-green stone that comes from the mineral olivine. Some believe its name derives from the Arabic "faridat," or "gem," according to Geological Institute of America. Others, however, ...

A rare colored gem from one of the world’s most distinguished collections sold for nearly five times its high estimate at Bonhams London Fine Jewellery Sale Thursday. The 50.13-carat Hope Spinel ...

This story may make you go from green to red. If you were born in the month of August, you are most likely a Leo or (for those born after August 23), a Virgo. You have also been long accustomed to ...

Spinel, MgAl 2 O 4 (download cif), is a rare gemstone that was used to imitate rubies. The structure has face-centered cubic symmetry, and is a little heavy to understand. The general formula is AB 2 ...

Long considered a kind of poor man’s ruby, the gemstone has come into its own. By Kathleen Beckett Pity the poor spinel. The gemstone that many people have never heard of has been saddled for ...