Mineral: Bournonite
Locality: Víboras Mine, Machacamarca, Machacamarca District, Cornelio Saavedra Province, Potosí Department, Bolivia
Dimensions: 23,0 x 20,0 x 20,0 cm
Description: Main crystal size : 4,5 cm
Very lustrous crystals in the shape of wheels and scattered on a light-colored gangue studded with quartz microcrystals.
MIM number 1473
Photographer : FMI / James Elliott
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