Mineral | Plumbogummite |
---|---|
Formula | PbAl3(PO4)(PO3OH)(OH)6 |
Crystal Form | Trigonal/Hexagonal Scalenohedral [3 2/m] |
Cleavage | None |
Color | Light blue, Gray-white, Yellow-gray, Yellow, Yellow-brown, Red-brown, Greenish, Bluish, Dark blue-gray |
Density | 4.0 – 4.1 g/cm3 |
Diaphaneity | Translucent |
Fracture | Irregular/Uneven, Sub-Conchoidal |
Hardness | 4.0 - 5.0 |
Lustre | Resinous, Dull |
Streak | Colorless to white |
Type Loc. | Huelgoat, Finistère, Brittany, France |
Dana 8 Class | 42.7.3.5 |
Strunz Class | 7/B.36-70 |
Mindat | mindat.org |
WebMineral | WebMineral |
ID | 376 |