Joegoldsteinite
A rare manganese-chromium sulfide found in Georgia's Social Circle meteorite, named for meteoriticist Joe Goldstein.
Intro adapted from Wikipedia (CC BY-SA).
Joegoldsteinite is an IMA-recognized mineral species in the sulfide class, with the chemical formula MnCr₂S₄.
It crystallizes in the cubic crystal system (space group Fd-3m). It is a member of the Spinel structural group.
Key properties: specific gravity 3.71.
IMA symbol Jgs, IMA status: approved, named in 2015.
Found in a CV3 carbonaceous chondrite and an iron meteorite.
It is found associated with Daubréelite, chromite (Social Circle IVA iron meteorite); troilite, niningerite (Indarch EH4 enstatite chondrite).
The mineral was named to honor Joseph (Joe) I. Goldstein (1939-2015), Distinguished Professor Emeritus of mechanical and industrial engineering and former dean, College of Engineering.