FMF Minerals Gallery

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Natrolite with Prehnite & Laumontite
Sowerbutt Quarry, Prospect Park, New Jersey, USA
6 cm across
I collected this at the top of a quarry bench. When the overseer realized that numerous pockets of natrolites were there, I was ushered away from there (He collected and sold minerals on the side.). (Author: John Medici)