England
Treak Cliff Cavern, Castleton
Gem locality Documented siteProhibited, look only
What you could find
Reported finds from this ground.
Crystals and minerals
FossilsPhotos via Wikimedia Commons: Stephanie Clifford from Arlington, VA, USA (CC BY 2.0), Partonez (CC BY-SA 4.0).
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Why this spot
Carboniferous Limestone (reef) with fluorite veins
Guided tours show the Blue John veins in situ.
Keep exploring nearby
More spots in this area.