Italy, Trentino-Alto Adige
Val di Fassa (Alpe di Siusi zeolites)
Crystal locality Documented siteGray area
What you could find
Reported finds from this ground.
Crystals and mineralsAlso reported: Heulandite, analcime, apophyllite, and datolite in the volcanic (fassaite) rocks of the Dolomites.
Photos via Wikimedia Commons: Stephanie Clifford from Arlington, VA, USA (CC BY 2.0).
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Why this spot
Triassic volcanics
Classic alpine zeolite ground; the mineral fassaite is named for the valley.
Keep exploring nearby
More spots in this area.