Specimen data
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NEPHELINE
Revised 2018 Na
3
K(Al
4
Si
4
O
16
)
Locality: Horne Quarry, Red Hill, Moultonborough, NH
Specimen Size: 3 cm. Nepheline is massive gray areas around black hastingsite at top.
Environment: Nepheline-Syenite body
Field collected: Tom Mortimer
