Colusite

  

Colusite on quartz

Origin: West Colusa Mine, Butte, Silverbow County, Montana, U.S.A.

Sample size: 4 x 3 x 2.5 cm

 

Origin: Butte, Montana, U.S.A.

Ex. Erberto Tealdi collection

Sample size: 4 x 3 x 2 mm

 

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Grey massive colusite with pyrite

Origin: Leonard Mine, Butte, Montana, U.S.A.

Sample size: 5 x 6 cm

 

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