| Title | Leucochalcite with pharmacosiderite |
| Description | Leucochalcite, Cu2(AsO4)(OH)-H2O (copper arsenate hydroxide), has the appearance of olivenite. It can be colorless, white, or greenish in color and has a silky luster. Pharmacosiderite (hydrated potassium iron arsenate hydroxide) is a rare secondary arsenate mineral. It typically forms in the oxidation zones of ore deposits. |
| Location | USA ▹ Nevada. Near Majuba Hill. |
| Photographer | Nessa Eull. 2001-09-27. |
| Collection | University of North Dakota Mineralogy Collection #1025. |
| Key words | leucochalcite, pharmacosiderite, Nevada |
| Tech details | 82 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. |
| GeoDIL number | 1583 |
 |