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Goyazite

#PD53802
SOLD
Goyazite from Palermo mine, Groton, Grafton Co., New Hampshire, United States - PD53802
Goyazite from Palermo mine, Groton, Grafton Co., New Hampshire, United States - PD53802

Goyazite

#PD53802
Availability
Sold
Size
6 x 5 x 4 cm - Sm Cabinet 
Formula
SrAl3(PO4)(PO3OH)(OH)6 (RRUFF)
Locality
Palermo mine, Groton, Grafton Co., New Hampshire, United States
Tagged
phosphate , pegmatite mineral

Al Kidwell obtained this specimen from Gunnar Bjareby, which was collected in 1939. There is one nice crystal as shown in the second photo. There is possibly one other crystal but I wasn't sure. The rest of the white you see are actually waterclear Quartz crystals.

Goyazite

Formula
SrAl3(PO4)(PO3OH)(OH)6 
Crystal System
Trigonal 
Crystal Habit
Blocky - Rhombohedral, Disseminated 
Cleavage
Perfect, None, None 
Luster
Vitreous - Greasy 
Color
lemon yellow, pink, colorless 
Streak
white 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Uneven 
Hardness
4-5 

Data courtesy of Webmineral.

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