Datolite
Hampden Quarry, Westfield, Hampden County, Massachusetts, USA
Mined about 1961
Former Scott J. Williams - Former Folch Collection
Specimen size: 4.4 × 3.8 × 3.6 cm.
Main crystal size: 3.7 × 2 cm.
Photo: Reference Specimens (Author: Jordi Fabre)
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