Rock 366 : Day 348 : Percyite

Rock3661396

Day 348 : Percyite. Arguably not a mineral in its own right but a mixture of boleite and pseudobolite (lead-copper hydroxyhalide). From La Compañia Mine, Caracoles, Sierra Gorda, Chile.  Cotton collection, Keele.

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~ by hypocentre on December 15, 2012.

 
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