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Mavlyanovite

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Formula:
Mn5Si3
Colour:
grey
Lustre:
Metallic
Hardness:
7
Specific Gravity:
6.06 (Calculated)
Crystal System:
Hexagonal
Name:
Named for Academician Gani Arifkhanovich Mavlyanov (1910-1988), for his contributions to the understanding of the geology of Uzbekistan.
Suessite group. Mn analogue of xifengite.

Phase corresponding to mavlyanovite was first described from Ukraine, together with chemically similar UM1990-56-Si:FeMn.


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Classification of MavlyanoviteHide

Approved
Approval Year:
2008
1.BB.05

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
B : Metallic Carbides, Silicides, Nitrides and Phosphides
B : Silicides
1.1.33.13

1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group

Physical Properties of MavlyanoviteHide

Metallic
Transparency:
Opaque
Colour:
grey
Streak:
dark-grey
Hardness:
Hardness:
VHN100=1029 - 1098 kg/mm2 - Vickers
Fracture:
Conchoidal
Density:
6.06 g/cm3 (Calculated)

Chemical Properties of MavlyanoviteHide

Formula:
Mn5Si3

Crystallography of MavlyanoviteHide

Crystal System:
Hexagonal
Class (H-M):
6/mmm (6/m 2/m 2/m) - Dihexagonal Dipyramidal
Space Group:
P63/mcm
Cell Parameters:
a = 6.8971 Å, c = 4.8075 Å
Ratio:
a:c = 1 : 0.697
Unit Cell V:
198.05 ų (Calculated from Unit Cell)

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.258 (44)
2.230 (29)
2.044 (100)
1.991 (30)
1.972 (67)
1.401 (16)
1.307 (22)
1.268 (15)

Type Occurrence of MavlyanoviteHide

Place of Conservation of Type Material:
The Geological Museum of the State Committee on Geology and Mineral Resources, Tashkent, Uzbekistan, and in the Natural History Museum, London, UK, catalog no. BM 2008,31
Geological Setting of Type Material:
a lamproite diatreme
Associated Minerals at Type Locality:

Synonyms of MavlyanoviteHide

Related Minerals - Nickel-Strunz GroupingHide

1.BB.ZangboiteTiFeSi2Orth. mmm (2/m 2/m 2/m) : Pbam
1.BB.BrownleeiteMnSiIso. 2 3 : P21 3
1.BB.05Suessite(Fe,Ni)3Si
1.BB.10UM2001-18-Si:CuPtSn(Cu,Pt)4Si
1.BB.10Perryite(Ni,Fe)5(Si,P)2Trig.
1.BB.15NaquiteFeSiIso. 2 3 : P21 3
1.BB.20LinzhiiteFeSi2Tet. 4/mmm (4/m 2/m 2/m) : P4/mmm
1.BB.25LuobusaiteFe0.84Si2Orth. mmm (2/m 2/m 2/m) : Cmca
1.BB.30GupeiiteFe3SiIso.
1.BB.35HapkeiteFe2SiIso. m3m (4/m 3 2/m) : Pm3m
1.BB.40XifengiteFe5Si3Hex. 6/mmm (6/m 2/m 2/m) : P63/mcm

Related Minerals - Dana Grouping (8th Ed.)Hide

1.1.33.2NaquiteFeSiIso. 2 3 : P21 3
1.1.33.3LinzhiiteFeSi2Tet. 4/mmm (4/m 2/m 2/m) : P4/mmm
1.1.33.6HapkeiteFe2SiIso. m3m (4/m 3 2/m) : Pm3m
1.1.33.7LuobusaiteFe0.84Si2Orth. mmm (2/m 2/m 2/m) : Cmca
1.1.33.8ZangboiteTiFeSi2Orth. mmm (2/m 2/m 2/m) : Pbam

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for MavlyanoviteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Tatarintsev, V.I., Tsymbal, S.N., Sandomirskaya, S.M., Egorova, L.N., Vashtchenko, A.N., Khnyazkov, A.P. (1990): Iron-bearing manganese silicides from the Priazovye (USSR). Mineral. Zhurnal: 12 (6): 35-43 (in Russian); in: Jambor, J.L., Puziewicz, J. (1920): New mineral Names. American Mineralogist: 77: 1118
Yusupov, R.G. , et al. : Mavlyanovite, a new mineral species from a lamproite diatreme, Chatkal Ridge, Uzbekistan. Mineralogical Magazine 73,43-50 (2009).

Internet Links for MavlyanoviteHide

Localities for MavlyanoviteHide

This 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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Ukraine
 
  • Donetsk (Donets'k) Oblast'
    • Azov Sea Region
      • Eastern Azov area
Tatarintsev, V.I., Tsymbal, S.N., Sandomirskaya, S.M., Egorova, L.N., Vashtchenko, A.N., Khnyazkov, A.P. (1990): Iron-bearing manganese silicides from the Priazovye (USSR). Mineral. Zhurnal: 12 (6): 35-43 (in Russian); in: Jambor, J.L., Puziewicz, J. (1920): New mineral Names. American Mineralogist: 77: 1118
Uzbekistan (TL)
 
  • Tashkent Viloyati (Toshkent)
    • Angren Region
      • Chatkal-Kuraminskii Range
Mineralogical Magazine 73,43-50(2009)
Mineral and/or Locality  
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