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A Geoscience Digital Image Library

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TitleLeucochalcite with pharmacosiderite
DescriptionLeucochalcite, 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.
LocationUSA ▹ Nevada. Near Majuba Hill.
PhotographerNessa Eull. 2001-09-27.
CollectionUniversity of North Dakota Mineralogy Collection #1025.
Key wordsleucochalcite, pharmacosiderite, Nevada
Tech details82 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens.
GeoDIL number1583