Hummerite
Hummer Mine, Paradox Valley, Uravan Mining District, Montrose County, Colorado, USA
The specimen, from the type locality, is very representative of this rare vanadate. It forms deep orange microcrystals on matrix.
Hummer Mine, Paradox Valley, Montrose County, Colorado, USA.
Found in ±1959
Specimen size: 4.6 x 4.6 x 2.2 cm
With handwritten label from the Folch Collection
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