Bournonite w/ Siderite (rare - classic locale)

Machacamarca District, Potosi Department, Bolivia
Small Cabinet, 5.2 x 4.2 x 4.1 cm
Start Time: 05/28/2017 6:30:00 pm (CDT)
End Time: 06/01/2017 6:30:00 pm (CDT)
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Item Description

Bournonite is a classic and desirable species from this famous district. A well-formed two-sided cluster of classic tabular bournonite cogwheels with a 1.3 cm gemmy siderite crystal is RARE. I like the way the impressive large cog has smaller crystals attached to both sides and the micro pyrites add color and contrast to moderately lustrous metallic-gray bournonites.

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