Majuba Hill Mine, Antelope Mining District, Pershing County, Nevada
Small cabinet - 7.9 x 7.8 x 4.1 cm
422 grams
Specimen status: Available
Send an email with specimen number to order
Moderately abundant, olive green
pharmacosiderite cubes, sub-millimeter in size, on one
matrix face. Transparent to opaque. In case you've
forgotten, pharmacosiderite is a hydrous potassium iron
arsenate hydroxide: KFe 3+ 4 (AsO 4 ) 3 (OH) 4 ยท6-7H 2 O.
Best appreciated under magnification.
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