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 ...

"This discovery highlights the incredible potential of materials like spinel, which have long been prized for their aesthetic qualities but are now revealing profound scientific capabilities ...

Turning spinel into a solid state spin qubit system. When specific atomic defects are introduced in a gemstone, they create vacancy centers with unique properties that allow them ...