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

Locality type:Mine
Classification
Species:Piemontite var: Strontian Piemontite
Formula:{(Ca,Sr)2}{Al2Mn3+}(Si2O7)(SiO4)O(OH)
Confirmation
Validity:Believed Valid
References
References:Della Ventura, G., Mottana, A.,Parodi, G.C., Griffin, W.L. (1996): FTIR spectroscopy in the OH-stretching region of monoclinic epidotes from Praborna (St. Marcel, Aosta valley, Italy). Eur. J. Mineral., 8, 655-665; Frank K. Mazdab collection (see https://www.rockptx.com/fkm-151-to-fkm-175/#FKM-171 for analytical data).
Associated Minerals Based on Photo Data:
Titanite3 photos of Strontian Piemontite associated with Titanite at this locality.
Quartz3 photos of Strontian Piemontite associated with Quartz at this locality.
Microcline1 photo of Strontian Piemontite associated with Microcline at this locality.
Data
Mineral Data:Click here to view Strontian Piemontite data
Locality Data:Click here to view Prabornaz Mine (Praborna Mine), Saint-Marcel, Aosta Valley, Italy
 
Mineral and/or Locality  
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