author(s) : Hurlbut and Erd
date of publication : 1974
source : Am.Min. (59) p. 647-651
formula : Na2MgB12O20 10H2O
comments about the origin : Ech. Hurlbut, envoye par Aristarain 1975
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP