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Quartz-40639.jpg - RKBot
1115M-copper1.jpg - CarlesMillan
Harvard Museum of Natural History. Cassiterite. Araca, La Paz, Bolivia (DerHexer) 2012-07-20.jpg - DerHexer
Harvard Museum of Natural History. Pyrite. Chicote Grande, Inquisivi, La Paz, Bolivia (DerHexer) 2012-07-20.jpg - DerHexer
4451M-cassiterite1.jpg - CarlesMillan
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