Phosphosiderite, Barbosalite
Bull Moose Mine, Custer, Custer Mining District, Custer County, South Dakota, USA
7.9 x 6.9 x 5.4 cm. Metastrengite is a synonym for phosphosiderite, an uncommon iron phosphate. Two interpenetrating, gemmy, salmon-pink crystals, 5 mm across are aesthetically set in the center of the sculptural matrix from the Bull Moose Mine, not the Tip Top Mine, as the Nickischer label states. The hefty piece also hosts barbosalite and an ...
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