1) Manganese mineral 2) Triclinic mineral
Found on
https://www.crosswordclues.com/clue/pyroxmangite
Pyroxmangite has the general chemical formula of MnSiO3. It is the high-pressure, low-temperature dimorph of rhodonite. It was first described in 1913 and named for the mineral group, pyroxenes, and is known as the manganese member. It forms a series with pyroxferroite. Pyroxmangite occurs in metamorphosed ore deposits rich in manganese. Associate...
Found on
http://en.wikipedia.org/wiki/Pyroxmangite
No exact match found.
