| Tripuhyite | |
|---|---|
 Tripuhyite from the Tafone Mine, Grosseto Province, Tuscany, Italy | |
| General | |
| Category | Antimonate mineral |
| Formula (repeating unit) | FeSbO4 |
| IMA symbol | Tpy[1] |
| Strunz classification | 4.DB.05 |
| Crystal system | Tetragonal |
| Crystal class | Ditetragonal dipyramidal (4/mmm) H-M symbol: (4/m 2/m 2/m) |
| Space group | P41/mnm |
| Unit cell | a = 4.63, c = 9.14 [Å]; Z = 2 |
| Identification | |
| Color | Yellowish brown, lemon-yellow, brown-black |
| Crystal habit | Fibrous to fine-grained aggregates |
| Mohs scale hardness | 6 - 7 |
| Luster | Dull to earthy |
| Streak | Canary-yellow to dark brown with a greenish tinge |
| Diaphaneity | Translucent |
| Specific gravity | 5.82 |
| Optical properties | Uniaxial (+), canary-yellow color (transmitted light) |
| Refractive index | nω = 2.190 nε = 2.330 |
| Birefringence | δ = 0.140 |
| Pleochroism | None |
| Solubility | Insoluble in acids |
| Other characteristics | Antiferromagnetic |
| References | [2][3][4] |
Tripuhyite is an iron antimonate mineral with composition FeSbO4.
- ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
- ^ Mindat.org
- ^ Handbook of Mineralogy
- ^ Webmineral data