author(s) : Cipriani
date of publication : 1961
source : Rend.Acc.Lincei, ser.8 (30) p.74 et 235
formula : Na2B5O7(OH)3 1/2H2O
comments about the origin : Corsini 1966
catalog number(s) : 20073
This type specimen, kept in the Museum of Ecole des mines de Paris, has been indexed by Dr Guillemin.
(C) BRGM, ENSMP