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Pyrite, quartz, calcite?
Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department, Peru (Author: Carles Millan)

Pyrite, quartz, calcite?
Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department, Peru (Author: Carles Millan)

Dimensions: 410 x 600
File size: 36.64 kbytes
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