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Manganostibite

Formula:
(Mn,Fe)
 
7
SbAsO
 
12
System:OrthorhombicColour:Black; dark reddish ...
Name:In allusion to the composition, containing MANGANese and antimony (Latin = STIBium).


An ill-defined substance.

Classification of Manganostibite

IMA status:Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"
Strunz 8th edition ID:8/B.10-30
Nickel-Strunz 10th (pending) edition ID:4.BA.10

4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
B : Metal: Oxygen = 3:4 and similar
A : With small and medium-sized cations
Dana 8th edition ID:44.3.2.1

44 : ANTIMONATES
3 : Miscellaneous
Hey's CIM Ref.:24.4.2

24 : Antimonates and Antimonites
4 : Antimonates and antimonites of Mn and Fe
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Type Occurrence of Manganostibite

Type Locality:Brattfors Mine, Nordmark, Filipstad, Värmland, Sweden
Year of Discovery:1884

Physical Properties of Manganostibite

Lustre:Greasy
Diaphaneity (Transparency):Opaque
Colour:Black; dark reddish brown in transmitted light
Streak:Chocolate-brown
Fracture:Irregular/Uneven

Crystallography of Manganostibite

Crystal System:Orthorhombic
Morphology:Embedded grains exhibiting crystal outlines at times. Nearly opaque rods and fibers with positive elongation.

Optical Data of Manganostibite

Type:Biaxial (-)
RI values: nα = 1.920 nβ = 1.950 nγ = 1.960
Maximum Birefringence:δ = 0.040

Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
Surface Relief:Very High
Dispersion:r > v strong
Pleochroism:Visible
Comments:X = b = Reddish brown
Z ^ c = Nearly opaque

Chemical Properties of Manganostibite

Formula:
(Mn,Fe)
 
7
SbAsO
 
12
Essential elements:As, Mn, O, Sb
All elements listed in formula:As, Fe, Mn, O, Sb

Relationship of Manganostibite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
4.BA.05Chrysoberyl
BeAl
 
2
O
 
4
Related Minerals - Hey's Index Grouping:

- +
24.4.1Ingersonite
Ca
 
3
MnSb
 
4
O
 
14
24.4.3Tripuhyite
Fe
3+
 
Sb
5+
 
O
 
4
24.4.5Schafarzikite
Fe
2+
 
Sb
3+
2
O
 
4

Other Names for Manganostibite

Other Languages:
German:Manganostibit
Russian:Манганостибит
Spanish:Manganostibita

Other Information

Other Information:Totally soluble in HCl; partly soluble in HNO3.
Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Manganostibite

Reference List:Igelström (1884) Geologiska Föeningens I Stockholm. Förhandlinger, Stockholm: 7: 210.

Igelström (1884) Bulletin de la Société française de Minéralogie: 7: 120.

Larsen, E.S. (1921) The Microscopic Determination of the Nonopaque Minerals, First edition, USGS Bulletin 679: 104.

Larsen, E.S. and Berman, H. (1934) The Microscopic Determination of the Nonopaque Minerals, Second edition, USGS Bulletin 848: 206.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 1027.

Moore, P.B. (1967) Contributions to Swedish Mineralogy II Melanostibite; Manganostibite; Ferrostibian = Långbanite.

American Mineralogist (1970): 55: 1489-1499.

American Mineralogist (1988): 73: 667.

Articles/Blogs about Manganostibite

Internet Links for Manganostibite

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    Localities for Manganostibite

    The map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
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    (TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
    Sweden
     
    • Värmland
      • Filipstad
    Nysten, P., Holtstam, D. and Jonsson, E. (1999) The Långban minerals. In Långban - The mines,their minerals, geology and explorers (D. Holtstam and J. Langhof, eds.), Swedish Museum of Natural History and Raster Förlag, Stockholm & Chr. Weise Verlag, Munich, pp. 89-183. ; Kjell Gatedal
    Kjell Gatedal
        • Nordmark
    Geologiska Föeningens I Stockholm. Förhandlinger, Stockholm (1884): 7, 210; Mineralogical Magazine (1978): 42, 133-136.
    Mineralogical Magazine: 62: 395; Kjell Gatedal
    Mineralogical Magazine (1998) 62 (3), 395-407; Mineralogical Magazine (1998) 62 (3), 395-407
    Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 1027.
    Mineral and/or Locality
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