Lot · Fluorescent Minerals
Axinite, hancockite - Franklin, NJ
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Tue · Jun 30, 2026
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Condition
Used
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ZIP 074**
franklin_mineral_museum
1,201 ratings · 100.00% positive
Description
From the sellerHancock began collecting minerals about 1854, and his collection was bequeathed to Harvard University in 1916. Franklin is the type locality of hancockite. It is not known from the Sterling mine in Ogdensburg, but has been found in other localities worldwide.
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