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K Feldspar (Var: Adularia), Quartz (Var: Smoky Quartz)

Locality: Medel Valley - Cristallina Valley water tunnel, Medel Valley, Grischun (Grisons; Graubünden), Switzerland

Note: The mineral species Adularia is not listed in our database for this locality. This specimen may be misidentified or the mindat list of minerals at this locality may be incomplete.

Translucent group of Adularia sharp crystals ("Mannenbach" twinned), surrounded by smoky Quartz on granitic matrix. Overallsize: cm 7 (wide) x 5; Adularia: cm 3 x 3. [Marco Tomei collection & photo]

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Photo added: 29th Nov 2010

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