Explore / North America / New Hampshire
New Hampshire
Gilsum mica mine dumps
Mineral locality Documented siteGray area
What you could find
Reported finds from this ground.
Crystals and mineralsAlso reported: muscovite books.
Photos via Wikimedia Commons: Stephanie Clifford from Arlington, VA, USA (CC BY 2.0).
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Why this spot
Cluster of 19th century mica and beryl pits around a town famous for its rock swap
Gilsum's old pegmatite mines are fixtures of New Hampshire collecting lore.
Before you go
Hazards noted for this site.
water-filled pits
Keep exploring nearby
More spots in this area.