Specimen data
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GADOLINITE-(Y,Ce)
Gadolinite-(Y): Y
2
Fe
2+
Be
2
Si
2
O
10
Locality: N. Sugarloaf Mtn., Bethlehem, NH
Specimen Size: 2 cm field of view, 3 cm specimen
Environment: Granite pegmatite
Field collected: Tom Mortimer