Locality: Washington Camp-Duquesne District, Patagonia District, Patagonia Mts, Santa Cruz County, Arizona, USA (Locality at mindat.org)
A STRIKING old-time specimen of needles of lustrous, royal-blue chalcanthite to 1.0 cm aesthetically set on a nicely contrasting crust of limonite from Washington Camp, Patagonia District, Arizona. Ex Richard Hauck Collection. 5.5 x 2.9 x 1.5 cm
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