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This Bournonite, from the Quiruvilca District, La Libertad Department, Peru, shows the classic "cogs wheel" Habit. The crystals average about 1/4" (6mm) in diameter. (Author: Jim Prentiss)

This Bournonite, from the Quiruvilca District, La Libertad Department, Peru, shows the classic "cogs wheel" Habit. The crystals average about 1/4" (6mm) in diameter. (Author: Jim Prentiss)

Dimensions: 426 x 600
File size: 33.63 kbytes
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