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 ...

You may have heard of diamond qubits, but diamonds aren’t the only gemstones that can be used to store quantum information. A ...

Diamonds have long been the preferred material for engagement rings, exquisite jewelry, and investment pieces. However, as people become more aware of ethical sources, price constraints, and the need ...