Hausmannite
| Hausmannite | ||
|---|---|---|
Specific gravity 4.7 – 4.84, average = 4.76 | | |
| Optical properties | Uniaxial (−) | |
| Refractive index | nε = 2.15, nω = 2.46 | |
| Birefringence | δ = 0.31 | |
| Other characteristics | Anisotropism: Distinct, bireflectance: weak; O = light gray; E = dark gray. | |
| References | [2][3][4] | |
Hausmannite is a
specific gravity
of 4.8.
The type locality is Oehrenstock (Öhrenstock), Ilmenau, Thuringian Forest,
Wilhelm Haidinger (1827) named it in honour of Johann Friedrich Ludwig Hausmann (1782–1859), Professor of Mineralogy, University of Göttingen, Germany.[3]
Image gallery
-
Hausmannite fromNorthern Cape Province, South Africa -
Crystal structure of hausmannite -
-
Ettringite crystal on a matrix of hausmannite and hematite, coated by oyelite
References
- S2CID 235729616.
- ^ a b Anthony, John W.; Bideaux, Richard A.; Bladh, Kenneth W.; Nichols, Monte C. (2005). "Hausmannite" (PDF). Handbook of Mineralogy. Mineral Data Publishing. Retrieved 2 July 2022.
- ^ a b c Hausmannite, Mindat.org, retrieved 2 July 2022
- ^ Barthelmy, David (2014). "Hausmannite Mineral Data". Webmineral.com. Retrieved 2 July 2022.
Wikimedia Commons has media related to Hausmannite.
| Borates | |||||
|---|---|---|---|---|---|
| Carbonates | |||||
| Oxides |
| ||||
| Phosphates | |||||
| Silicates | |||||
| Sulfides | |||||
| Other |
| ||||
 | This article about a specific mineral or mineraloid is a stub. You can help Wikipedia by expanding it. |