| Mineral | Iangreyite |
|---|---|
| Formula | Ca2Al7(PO4)2(PO3OH)2(OH,F)15 • 8H2O |
| Crystal Form | Trigonal/Trapezohedral [32] |
| Cleavage | Perfect on {001} |
| Color | Colorless to White, Cream, Yellowish, Light pink |
| Density | 2.5 – 2.5 g/cm3 |
| Diaphaneity | Transparent, Translucent |
| Fracture | Irregular |
| Hardness | 3.0 |
| Lustre | Vitreous, Pearly (aggregates) |
| Streak | White |
| Type Loc. | Silver Coin Mine, Valmy, Iron Point Dist., Humboldt Co., NV, USA |
| Dana 8 Class | 42.13.19. |
| Strunz Class | 8.DE.45 |
| Mindat | mindat.org |
| ID | 347 |