User:Matt225123/Albrechtschraufite

Albrechtschraufite (Ca4Mg(UO2)2(CO3)6F2·17(H2O)) is a yellow-green mineral. It has a hardness of 2-3 on the Moh's scale, a vitreous lustre and a triclinic crystal system. Albrechtschraufite is named after Albrecht Schrauf, Professor of Mineralogy, University of Vienna, in recognition of his contributions to the knowledge of uranyl carbonate minerals.

References:

http://www.mindat.org/min-97.html