Uranophane
Opera Box Mine, Gypsum Valley, Montrose County, Colorado, USA
Pale yellow acicular tufts of uranophane perched on montroseite/paramontroseite. Associated species at the locality (not seen in photo) include magnesiopascoite, rauvite etc. all confirmed via EDS in our lab. See: Nikischer, T. (2015), A New Locality for Magnesiopascoite, Mineral News, Vol. 31, No. 2. Excalibur Mineral Corporation specimen, image ...
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