Mineral: Vauxite
Locality: Siglo Veinte Mine, Llallagua, Rafael Bustillo Province, Potosí Department, Bolivia
Dimensions: 13 x 11 x 1.5 cm / main crystal: 0.1 cm
Description: Mass: 45 g
MIM number:1903
Thin crust covered with small acicular crystals of very beautiful blue color. A sample of this size is unusual for this rare species.
Photographer: FMI / James Elliott
Publication: "Minéraux - Le Guide des Passionnés"
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