Specimen data
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STILBITE
NaCa
4
[Al
9
Si
27
O
72
] · nH
2
O
Locality: Rt. 101 - Rt. 101A road cut, Amherst, NH
Specimen Size: 3 cm specimen of chalk-white Stilbite crystals
Environment: Zeolite vein in Gneiss rock
Field collected: Tom Mortimer
