Siglo Veinte Mine, Llallagua, Rafael Bustillo Province, Potosi Department, Bolivia

Type Location

Ex. Philadelphia Academy of Sciences, Vaux Expedition

From the fourth Vaux-Academy Mineralogical Expedition: 1929 - 1930, led by Sam Gordon. The Vauxite is all of the blue colored aricular aggregates.

5.5 x 5.9 x 4.4 cm

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