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Lazulite

#PD45158
SOLD
Lazulite from Palermo mine, Groton, Grafton Co., New Hampshire, United States - PD45158
Lazulite from Palermo mine, Groton, Grafton Co., New Hampshire, United States - PD45158

Lazulite

#PD45158
Availability
Sold
Size
8.5 x 4 x 5 cm - Sm Cabinet 
Formula
MgAl2(PO4)2(OH)2 (RRUFF)
Locality
Palermo mine, Groton, Grafton Co., New Hampshire, United States
Tagged
phosphate , pegmatite mineral

A large 2.5cm dark blue "vein" of Lazulite. It has not been tested and may be apatite, but I doubt it. See the previous entry for a discussion on Lazulite.

Lazulite

Formula
MgAl2(PO4)2(OH)2 
Crystal System
Monoclinic 
Crystal Habit
Massive - Granular, Pyramidal 
Cleavage
Indistinct, Indistinct, None 
Luster
Vitreous (Glassy) 
Color
blue, blue green, light blue, black blue 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Uneven 
Hardness
5-6 

Data courtesy of Webmineral.

Collection
Phillips Collection
Mineralpedia
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Other Available Lazulite
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