Mineral | Holfertite |
---|---|
Formula | CaxU6+2-xTi(O8-xOH4x) ยท 3H2O |
Crystal Form | Trigonal/Pyramidal [3] |
Cleavage | Perfect on (110) |
Color | Canary yellow to orange yellow |
Density | 4.2 – 4.3 g/cm3 |
Diaphaneity | Transparent, Translucent |
Fracture | Irregular/Uneven, Conchoidal |
Hardness | 4.0 |
Lustre | Vitreous |
Streak | Pale yellow |
Type Loc. | Holfertite pit, Starvation Cyn, Thomas Range, Juab Co., UT, USA |
Strunz Class | 4.GB.70 |
Mindat | mindat.org |
WebMineral | WebMineral |
ID | 474 |