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Mineralpedia Details for Whitlockite

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Whitlockite

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
WebMineral
View Whitlockite 
Mindat
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Whitlockite from Tip Top mine, Custer Co., South Dakota, United States

Whitlockite
            from Tip Top mine, Custer Co., South Dakota, United States

Rich specimen with Whitlockite all over the Quartz matrix. There are layers of white to red carbonate apatite. The Whitlockite crystals in the second photo are exceptional.

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