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Whitlockite on Siderite

#50550
SOLD
Whitlockite from Palermo mine, Groton, Grafton Co., New Hampshire, United States - 50550
Whitlockite from Palermo mine, Groton, Grafton Co., New Hampshire, United States - 50550

Whitlockite on Siderite

#50550
Availability
Sold
Size
10 x 6 x 3 cm - Cabinet 
Formula
Ca9Mg(PO4)6(PO3OH) (RRUFF)
Locality
Palermo mine, Groton, Grafton Co., New Hampshire, United States
Tagged
phosphate , pegmatite mineral

A 4 x 1cm vug lined with well-formed 1mm, colorless Whitlockite crystals. Ex. Dr. David London study collection.

Whitlockite

Formula
Ca9Mg(PO4)6(PO3OH) 
Crystal System
Trigonal 
Crystal Habit
Rhombohedral Crystals, Tabular, Pistolitic 
Cleavage
None, None, None 
Luster
Vitreous - Resinous 
Color
colorless, gray, gray white, yellowish, white 
Streak
white 
Class
Trigonal - Ditrigonal Pyramidal 
Fracture
Brittle - Uneven 
Hardness
5 

Data courtesy of Webmineral.

Collection
Ex. Dr. David London
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