La Salle Mine, Osceola, Houghton Co., Michigan, USA

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Copper : Cu
	La Salle Mine, Osceola, Houghton Co., Michigan, USA This photo is of a copper crystal that was collected at the La Salle Mine, located in Houghton County, Michigan. The crystal measures 1 cm across and exhibits the classic crystal form so commonly found in copper crystals from the Keweenaw Peninsula.
© Paul T. Brandes	Photo ID: 248535 View Count: 21
Epidote : {Ca₂}{Al₂Fe³⁺}[O\|OH\|SiO₄\|Si₂O₇]
	La Salle Mine, Osceola, Houghton Co., Michigan, USA 1.63 mm green Epidote crystal in cavity. Collection & Photo M.Chinellato
© Chinellato Matteo	Photo ID: 266302 View Count: 25

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La Salle Mine, Osceola, Houghton Co., Michigan, USA

Copper : Cu

Epidote : {Ca2}{Al2Fe3+}[O|OH|SiO4|Si2O7]

Epidote : {Ca₂}{Al₂Fe³⁺}[O|OH|SiO₄|Si₂O₇]