Buttgenbachite and Calcite (rare locale)

White Pine Mine, White Pine, Ontonagon Co., Michigan, USA
Small Cabinet, 6.8 x 6.2 x 2.4 cm
Start Time: 02/18/2016 6:45:00 pm (CST)
End Time: 02/26/2016 6:30:00 pm (CST)
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Item Description

Buttgenbachite is a very rare secondary copper mineral. Here, the greenish-blue Buttgenbachite appears to be coating a dark-gray, bladed unknown. The specimen is richly coated, and a good piece for this rare species. Associated are several razor-sharp, translucent to gemmy Calcites, the largest of which is about 2 cm overall.

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