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

Mineral Species
Species:Bismutoferrite
Formula:Fe3+2Bi(SiO4)2(OH)
Description
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
Colour:green
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Rare
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
References
References:Huff, R. C., R. G. Huff, J. Vajdak. (1996), An Occurrence of Bismutoferrite in Portland, Connecticut. Rocks & Minerals: 71(3): 197.; Vajdak, Josef. (1997), New Mineral Finds in 1996, News from Vajdak of Pequa Rare Minerals and Metals. Mineral News: 13:(3): 1,4,5.
Associated Minerals Based on Photo Data:
Bismuthinite2 photos of Bismutoferrite associated with Bismuthinite at this locality.
Data
Mineral Data:Click here to view Bismutoferrite data
Locality Data:Click here to view Case Quarries, Portland, Middlesex Co., Connecticut, USA
Mineral and/or Locality  
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