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Piz Gendusas, Strem Valley, Tujetsch (Tavetsch), Vorderrhein Valley, Grischun (Grisons; Graubünden), Switzerland

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Detailed Mineral List:

'Amphibole Group var: Byssolite'
Reference:	Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 276.








'Chlorite Group'
Reference:	Rob Lavinsky specimen








Milarite
Formula:	K₂Ca₄Al₂Be₄Si₂₄O₆₀ · H₂O
Reference:	Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Wepf (Basel), p. 276.







Quartz var: Smoky Quartz
Formula:	SiO₂
Reference:	Rob Lavinsky specimen






Photo: © Rob Lavinsky. Smoky Quartz from Piz Gendusas, Strem Valley, Tujetsch, Vorderrhein Valley, Grischun, Switzerland

4 entries listed. 1 valid mineral.

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