Mineral: Quartz (variety smoky)
Locality: Monte Cervandone, Devero Alp, Baceno, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont (Piemonte), Italy
Dimensions: 35 x 14 mm

Description: Back view: just two "faces" of a prism!? I rejected the idea of an interrupted growth or a dissolution.

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