
1) Hexagonal mineral 2) Oxide mineral
Found on
https://www.crosswordclues.com/clue/nsutite

Nsutite is a manganese oxide mineral with formula: (Mn4+1-xMn2+xO2-2x(OH)2x where x = 0.06-0.07). It is found in most large manganese deposits and was first discovered in Nsuta, Ghana. Since then, it has been found worldwide. Nsutite is a dull mineral with a hardness of 6.5-8.5 and an average specific gravity of 4.45. Nustite is used as a cathode ...
Found on
http://en.wikipedia.org/wiki/Nsutite
No exact match found.