Gerdtremmelite

Gerdtremmelite


Composition: ZnAl2(AsO4)(OH)5
Crystal System : Triclinic
Colours: Brown, yellowish-brown, dark-brown
Lustre : Adamantine
Year of Discovery: 1983
IMA Number: 1983-049a
IMA Status: Approved
Named for: Gerd Tremmel (German mineralogist)