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0 item @ $0.00  

Whitlockite on Siderite

#50548

Whitlockite on Siderite

#50548
Availability
Sold
Size
8 x 5 x 5 cm - Sm Cabinet 
Formula
Ca9Mg(PO4)6(PO3OH) (RRUFF)
Locality
Palermo mine, Groton, Grafton Co., New Hampshire, United States
Tagged
phosphate , pegmatite mineral

3-4mm colorless Whitlockite crystals. Ex. Dr. David London collection. The matrix is Siderite, an end alteration product of Triphylite.

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

Data courtesy of Webmineral.

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