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Birnessite from
Las Choyas, Mun. de Ahumada, Chihuahua, Mexico

Description
Comments:found in less then 1%
Habit:granular fracture filling in calcite
Colour:black
Quality of samples:not specified / average specimens
Confirmation
Validity:Believed Valid
References
References:Cross, B. & Culp Zeitner J. (2006), Geodes Natures Treasures, P.26
Data
Mineral Data:Click here to view Birnessite data
Locality Data:Click here to view Las Choyas, Mun. de Ahumada, Chihuahua, Mexico
Mineral and/or Locality
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