Pumpellyite-(Mn2+)



Takamatsu mine,Takamatsu,Yamakita,Ashigarakami,Kanagawa,Japan
(Ca)2(Mn2+,Mg)(Al,Mn3+)2Si3(O,OH)14   Size:2.7cm(Specimen),1.3cm(Photo)

Brown:Pumpellyite
Black:Braunite