Mineralpedia Details for 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
- 5
- WebMineral
- View Whitlockite
- Mindat
- View Whitlockite
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.
Click thumbnail images for larger view.
