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Cuprobismutite from
Case Quarries, Portland, Middlesex Co., Connecticut, USA

Classification
Species:Cuprobismutite
Comments:Associated with bismuthinite and pyrite with secondary bismite, bismutite (some or all may in fact be bismutoferrite) and goethite staining pegmatite matrix.
Habit:massive, coatings
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Rare
Confirmation
Validity:Believed Valid
References
References:Vajdak, Josef. (1997), New Mineral Finds in 1996, News from Vajdak of Pequa Rare Minerals and Metals. Mineral News: 13:(3): 1,4,5.
Data
Mineral Data:Click here to view Cuprobismutite data
Locality Data:Click here to view Case Quarries, Portland, Middlesex Co., Connecticut, USA
Mineral and/or Locality  
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