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Vermiculite from
Calumet Mine (Calumet; Calumet No. 2; Hecla; Hecla No. 2; Calumet Iron Mine; Calumet-Hecla-Smithville Magnetite Deposit; Patented Placer Claims: Calumet; Hecla-Williamson; Smithville No. 2; CF&I Company Mine), Turret District, Chaffee Co., Colorado, USA


Description
Quality of samples:not specified / average specimens
Confirmation
Validity:Believed Valid
References
References:U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
Mineral and/or Locality
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