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Hausmannite is a
complex oxide, or a
mixed oxide, of
manganese containing both di- and tri-valent manganese. Its
chemical formula can be
represented as...
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sometimes written as MnO·Mn2O3. Mn3O4 is
found in
nature as the
mineral hausmannite. Mn3O4
formed when any
manganese oxide is
heated in air
above 1000 °C...
- ****ociated with beryl, quartz, spessartine, hematite, pseudobrookite,
hausmannite,
braunite and
topaz in
pneumatolytic or
hydrothermal veins and cavities...
- Birnessite, (Na,Ca)0.5(MnIV,MnIII)2O4 · 1.5 H2O Buserite, MnO2·nH2O
Hausmannite, MnIIMnIII2O4 Manganite, MnIIIO(OH) Manganosite,
MnIIO Psilomelane,...
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encountered natural hausmannite which is
known to be
found 250 km (160 mi) away in the Pyrenees.
Unless there was a
hausmannite source much
closer to...
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Dendritic psilomelane on a
cobble Slab of
manganese ore
showing a
mixture of
hausmannite and
psilomelane in a
zonal arrangement and a
radiating m**** of white...
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William M.
Haussmann Sr. (1906-1988),
architect Hausmannstätten
Hausmania Hausmannite Housman Houseman (disambiguation)
Agricola (disambiguation),
Latin translation...
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metamorphism of
manganese deposits.
Typical ****ociated
minerals include hausmannite, galaxite, braunite, pyrolusite, coronadite,
hematite and magnetite....
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manganese minerals.
Pyrolusite occurs ****ociated with manganite, hollandite,
hausmannite, braunite, cryptomelane, chalcophanite, goethite, and
hematite under...
- calcite, barite, and siderite.
Often ****ociated with pyrolusite, braunite,
hausmannite and goethite.
Manganite occurs in
specimens exhibiting good
crystal form...
