author(s) : Sahama
date of publication : 1971
source : in Fleischer, Glossary of Mineral Species 3.
formula : (W,Al)16 (O,OH)46 xH2O
comments about the origin : Sahama 1981
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP