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Synchysite-(Y) from
Tête des Econduits, Mont Chemin, Martigny, Valais, Switzerland

Classification
Species:Synchysite-(Y)
Formula:CaY(CO3)2F
Comments:The mineral is almost of end-member composition; an electron microprobe analysis gave Ca1.01(Y0.96Gd0.01Dy0.01)F0.93(CO3)2.
Habit:Aggregates to 1 cm across, consisting of small grains
Colour:Salmon red
Confirmation
Validity:Believed Valid
References
References:Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 394.
Associated Minerals:
Associates:Aeschynite-(Y)
Kainosite-(Y)
Xenotime-(Y)
Data
Mineral Data:Click here to view Synchysite-(Y) data
Locality Data:Click here to view Tête des Econduits, Mont Chemin, Martigny, Valais, Switzerland
Nearest other occurrences of Synchysite-(Y)
93.2km (57.9 miles) A Castelluccio Quarry, Montecrestese, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy
135.3km (84.1 miles) B Piz Blas, Nalps Valley, Tujetsch (Tavetsch), Vorderrhein Valley, Grisons, Switzerland
137.7km (85.5 miles) C Puricelli Quarry, Cuasso al Monte, Ceresio Valley, Varese Province, Lombardy, Italy
137.9km (85.7 miles) D Laghetto Quarry, Cavagnano, Cuasso al Monte, Ceresio Valley, Varese Province, Lombardy, Italy
137.9km (85.7 miles) E Cuasso al Monte, Ceresio Valley, Varese Province, Lombardy, Italy
Mineral and/or Locality  
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