Anhydrite from selected localities.
USA | |
| The Mineralogy of The Butte District, Montana; Guilbert and Zeihen |
Singer, D.A., Berger, V.I., and Moring, B.C. (2008): US Geological Survey Open-File Report 2008-1155. | |
Guidebook for the Butte Field Meeting of the Society Of Economic Geologists, 1973 |