Important Update News
The RRUFF Project is being updated to improve its interface and content. The beta version of the update is accessible to the public at RRUFF.net. New data is only being added to the beta site. Please note that it is in development, and some components are not functional. Existing RRUFF.info links will resolve to the new site after RRUFF.net is officially released.
We are grateful to NASA for the funding of this effort.
![]() |
Name: Hausmannite RRUFF ID: R060512 Ideal Chemistry: Mn2+Mn3+2O4 Locality: N'Chwaning II mine, Kalahari manganese field, northern Cape Province, Republic of South Africa Source: Michael Scott S100308 [view label] Owner: RRUFF Description: Group of black pseudo-octahedra with striations parallel to the (001) plane Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
|
Mineral Group: [ Spinel (66) ] | ||
Quick search: [ All Hausmannite samples (4) ] |
CHEMISTRY | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
![]() |
|
RAMAN SPECTRUM | ||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
|
POWDER DIFFRACTION | ||||||||
---|---|---|---|---|---|---|---|---|
RRUFF ID: | R060512.1 | |||||||
Sample Description: | Powder | |||||||
Cell Refinement Output: |
a: 5.7680(3)Å b: 5.7680(3)Å c: 9.4517(9)Å alpha: 90.° beta: 90.° gamma: 90.° Volume: 314.46(4)Å3 Crystal System: tetragonal |
|||||||
|
|
REFERENCES for Hausmannite | |
---|---|
American Mineralogist Crystal Structure Database Record: [view record] |
|
Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file] |
|
Turner E (1828) Chemical examination of the oxides of manganese. Part II. On the composition of the ores of manganese described by Mr. Haidinger, The Philosophical Magazine, 4, 96-104 [view file] |
|
Haidinger M W (1831) II. Pyramidal Manganese-ore Hausmannite, Transactions of the Royal Society of Edinburgh, 11, 127-129 [view file] |
|
Aminoff G (1926) On the crystal structure of hausmannite (MnMn2O4), Zeitschrift für Kristallographie, 64, 475-490 |
|
Gavarri J R, Arabski J, Jasienska S, Janowski J, Garel C (1985) Structural evolution of manganosite: comparison of properties of nonstoichiometric manganese and iron monoxides, Journal of Solid State Chemistry, 58, 56-70 |
|
Jarosch D (1987) Crystal structure refinement and reflectance measurements of hausmannite, Mineralogy and Petrology, 37, 15-23 |
|
Baron V, Gutzmer J, Rundlöf H, Tellgren R (1998) The influence of iron substitution on the magnetic properties of hausmannite, Mn2+(Fe,Mn)3+2O4, American Mineralogist, 83, 786-793 [view file] |
|
Gillot B, El Guendouzi M, Laarj M (2001) Particle size effects on the oxidation-reduction behavior of Mn3O4 hausmannite, Materials Chemistry and Physics, 70, 54-60 |
|
Antao S M, Cruickshank L A, Hazrah K S (2019) Structural trends and solid-solutions based on the crystal chemistry of two hausmannite (Mn3O4) samples from the Kalahari manganese field, Minerals, 9, 343 [view file] |
|
Bosi F, Biagioni C, Pasero M (2019) Nomenclature and classification of the spinel supergroup, European Journal of Mineralogy, 31, 183-192 [view file] |
|
Post J E, McKeown D A, Heaney, P J (2020) Raman spectroscopy study of manganese oxides: Tunnel structures, American Mineralogist, 105, 1175-1190 [view file] |
|
|