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Mavlyanovite

Formula:
Mn
 
5
Si
 
3
System:HexagonalColour:grey
Hardness:7
Name:Named for Academician Dani Arifkhanovich Mavlyanov (1910-1988), for his contributions to the understanding of the geology of Uzbekistan.


Suessite group. Mn analogue of xifengite.

Classification of Mavlyanovite

IMA status:Approved 2008
Nickel-Strunz 10th (pending) edition ID: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
Dana 8th edition ID:1.1.33.13

1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
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Type Occurrence of Mavlyanovite

Type Locality:Koshmansay river, Chatkal-Kuraminskii Range, Angren Region, Tashkent (Toshkent) Viloyati, Uzbekistan
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:
SuessiteMoissaniteKhamrabaeviteIronDiamond
ChromiteAlabandite

Physical Properties of Mavlyanovite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:grey
Streak:dark-grey
Hardness (Mohs):7
Hardness (Vickers):VHN100=1029 - 1098 kg/mm2
Fracture:Conchoidal
Density (calculated):6.06 g/cm3

Crystallography of Mavlyanovite

Crystal System:Hexagonal
Class (H-M):6/mmm (6/m 2/m 2/m) - Dihexagonal Dipyramidal
Space Group:P63/mcm {P63/m 2/c 2/m}
Cell Parameters:a = 6.8971Å, c = 4.8075Å
Ratio:a:c = 1 : 0.697
Unit Cell Volume:V 198.05 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
2.258 (44)
2.230 (29)
2.044 (100)
1.991 (30)
1.972 (67)
1.401 (16)
1.307 (22)

Chemical Properties of Mavlyanovite

Formula:
Mn
 
5
Si
 
3
Essential elements:Mn, Si
All elements listed in formula:Mn, Si

Relationship of Mavlyanovite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
1.BB.Zangboite
TiFeSi
 
2
1.BB.05Suessite
(Fe,Ni)
 
3
Si
1.BB.10UM2001-18-Si:CuPtSn
(Cu,Pt)
 
4
Si
1.BB.10Perryite
(Ni,Fe)
 
5
(Si,P)
 
2
1.BB.15Fersilicite
FeSi
1.BB.20Ferdisilicite
FeSi
 
2
1.BB.25Luobusaite
Fe
 
0.84
Si
 
2
1.BB.30Gupeiite
Fe
 
3
Si
1.BB.35Hapkeite
Fe
 
2
Si
1.BB.40Xifengite
Fe
 
5
Si
 
3

Other Names for Mavlyanovite

Synonyms:
IMA2008-026
Other Languages:

Other Information

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 Mavlyanovite

Reference List: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 Mavlyanovite

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    Localities for Mavlyanovite

    (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.
    Uzbekistan
     
    • Tashkent (Toshkent) Viloyati
      • Angren Region
        • Chatkal-Kuraminskii Range
    		Min. Mag. 73,43-50(2009)
    Mineral and/or Locality
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    Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 15th Nov 2009 16:15:40