England
Great Rock Mine, Hennock
Mineral locality Documented siteGray area
What you could find
Reported finds from this ground.
Crystals and minerals
Nails and fittingsPhotos via Wikimedia Commons: Stephanie Clifford from Arlington, VA, USA (CC BY 2.0), North Lincolnshire Museum, Martin Foreman, (CC BY 2.0).
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Why this spot
Devonian slates, hydrothermal
Best UK specularite locality.
Keep exploring nearby
More spots in this area.