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Tourmaline var. elbaite

#66058
SOLD
Tourmaline from Schoonmaker mine, Middlesex Co., Connecticut, United States - 66058
Tourmaline from Schoonmaker mine, Middlesex Co., Connecticut, United States - 66058

Tourmaline var. elbaite

#66058
Availability
Sold
Size
4 x 45 x 2.5 cm - Cabinet 
Formula
AD3G6 (T6O18)(BO3)3X3Z (RRUFF)
Locality
Schoonmaker mine, Middlesex Co., Connecticut, United States

Nice green striated prisms of Tourmaline to 2cm. The specimen was collected by Hampson on April 29, 1943 when he was about 12 years old.

Tourmaline

Formula
Ca,Na,K[(Al,Fe2+,Fe3+,Li,Mg2+,Mn2+)3](Al,Cr3+,Fe3+,V3+)6(Si6O18)(BO3)3(O,OH)3(F,O,OH) 
Crystal System
Trigonal 
Fracture
Irregular/Uneven-Conchoidal 
Hardness
7 

Data courtesy of Webmineral.

Collection
Arnold G Hampson Collection
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