Structure: | Dunn P.J., Peacor D.R., Sturman D.B., Ramik R.A., ; Roberts V.L., Nelen J.A. (1986); * Neues Jb. Miner., Mh., H3, 115-120; |
Unit cell parameters: | $K2 Mn2 Fe2 Nb1.418 Ta0.588 P4 O24 H8$ |
Note: | IMA1985-008. Locality – USA. The coordinates of atoms are considered to equal to those of olmsteadite. D.T.N. |
to this Card: | (WWW-MINCRYST, JOHNWALKITE-2245) OR (WWW-MINCRYST, 2245); |
to WWW-MINCRYST as resource: | WWW-MINCRYST (2024). Crystallographic and Crystallochemical Database for minerals and their structural analogues http://database.iem.ac.ru/mincryst |