Fluorophosphohedyphane and Ralstonite, L’Argentolle, Saône-et-Loire, Morvan.

350,00

Exceptional specimen of powdery white fluorophosphohedyphane crystal associated with ralstonite from the old Argentolle mines in the Saône et Loire, Morvan massif.
A specimen from the collection of the Musée de Lausanne, and Eric Asselborn, of which here is a video: