Looking for revenge against Pink Diamond Steven Universe, Spinel starts to poison the ground ... Russell Wilson confirms team he wants to play for next season after Steelers loss to Ravens in ...

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 ...