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Hyalophane from
Prabornaz Mine (Praborna Mine), Saint-Marcel, Aosta Valley, Italy

Locality type:Mine
Classification
Species:Microcline var: Hyalophane
Formula:(K,Ba)[Al(Si,Al)Si2O8]
Comments:See https://www.rockptx.com/fkm-151-to-fkm-175/#FKM-171 for normalized analysis, associated minerals and scanned images of the thin section.

The sample for this thin section was collected by Pilar Lecumberri-Sanchez (Univ. Arizona) on a field trip to the locality.
Quality for species:Poor for species, only of interest for locality collectors. (#)
Confirmation
Validity:Believed Valid
References
References:Frank K. Mazdab collection (see https://www.rockptx.com/fkm-151-to-fkm-175/#FKM-171 for normalized analysis)
Data
Mineral Data:Click here to view Hyalophane data
Locality Data:Click here to view Prabornaz Mine (Praborna Mine), Saint-Marcel, Aosta Valley, Italy
Nearest other occurrences of Hyalophane
38.0km (23.6 miles) Trou des Romains (Chapy-Courmayeur), Sapin Valley, Courmayeur, Aosta Valley, Italy
82.8km (51.4 miles) Candoglia marble quarries, Candoglia, Mergozzo, Verbano-Cusio-Ossola Province, Piedmont, Italy
83.7km (52.0 miles) Simplon Railway tunnel (north section), Simplon pass area, Brig, Valais, Switzerland
94.9km (59.0 miles) Reckibach, Binn, Goms, Valais, Switzerland
95.7km (59.4 miles) Turtschi, Giessen, Binn, Goms, Valais, Switzerland
96.8km (60.1 miles) Lengenbach Quarry, Fäld (Imfeld; Im Feld; Feld), Binn, Goms, Valais, Switzerland
 
Mineral and/or Locality  
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