Ellenbergerite  

The dark reddish-purple grain in the center of this photomicrograph is ellenbergerite, an extremely rare, high-pressure Mg-Al-Ti-silicate, which here forms an inclusion in nearly pure endmember pyrope garnet from the famous Dora Maira massif of Italy.

UNC sample

TS-40

(K. Stewart)

Rock type

qtz-ky-gt-musc schist

Locality

Dora Maira massif, Parigi, Italy