Drugmanite

Name: Drugmanite

Location: Richelle, Belgium

Name Reference: Named after Belgian mineralogist J. Drugman (born in Brussels, May 28th 1875; died July 1st 1950 in Brussels). He worked at the Royal Belgian Museum of Natural History; mineral collector with a special intrest in twins.

Chemical Formula: Pb₂(Fe³⁺,Al)(PO₄)(PO₃OH)(OH)₂

Crystal System and Class: Monoclinic - Prismatic 

Accompanying Minerals:

Origin (Determinator + Year): Van Tassel R. 1979

Publication: Drugmanite, Pb2(Fe3 + ,A1)(P04)2(OH) · H20, a new mineral from Richelle, Belgium

R Van Tassel, A-M Franselot, K Abraham. Mineralogical Magazine, december 1979, Vol. 43, pp. 463-7

Publication: Drugmanite, Pb2(Fe0.78 ,AL0.22)H(P04)2(OH)2: lts crystal structure and place in the datolite group.

Geoffrey S.D. King & Lieve Sengier-Roberts. Bull. Minéral 1988, 111, 431-437

Info :  http://www.mindat.org/min-1321.html