A triclinic mineral, (Ba,Sr)2 TiMn2 (SiO4 )2
(PO4 ,SO4 )(OH,Cl) ; forms orange-brown tabular crystals
or stellate groups; occurs in an alkali pegmatite at the Noda-Tamagawa Mine,
Iwate prefecture, and the Taguchi Mine, Aichi Prefecture, Japan.
Source:
Dictionary of Mining, Mineral, and Related Terms