JOHNWALKITE, [1]

   WWW-Mincryst References:

 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.

Authors recommend next format of references to WWW-MINCRYST -

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