England
Castleton / Blue John, Derbyshire, England
Mineral locality Documented sitePermission required
What you could find
Reported finds from this ground.
Crystals and mineralsPhotos via Wikimedia Commons: Stephanie Clifford from Arlington, VA, USA (CC BY 2.0).
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Why this spot
Carboniferous
Unique banded fluorite; strictly not free-collect.
Keep exploring nearby
More spots in this area.