Specimen data
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STAUROLITE
(Fe
2+
,Mg,Zn)
3-4
(Al,Fe)
18
(Si,Al)
8
O
48
H
2-4
Locality: Pearl Lake Locale, Lisbon, NH
Specimen Size: 2.5 cm Staurolite crystal with minor Biotite schist
Environment: Metamorphic
Field collected: Tom Mortimer