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Luobusaite

Formula:
Fe
 
0.84
Si
 
2
System:OrthorhombicColour:steel-gray
Name:Named for the type locality, Luobusa Mine, Tibet.
This page provides mineralogical data about Luobusaite.

Classification of Luobusaite

IMA status:Approved 2006
Strunz 8th edition ID:1/A.12-70
Strunz 9th edition ID:1.BB.15
Nickel-Strunz 10th (pending) edition ID:1.BB.25

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:1.1.33.7

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

Type Locality:Luobusa ophiolite, Qusum (Qusong) Co., Shannan (Lhokha; Lhoka) Prefecture, Tibet Autonomous Region, China
General Appearance of Type Material:irregular grains
Place of Conservation of Type Material:China Geological Museum

Physical Properties of Luobusaite

Lustre:Metallic
Diaphaneity (Transparency):Opaque
Colour:steel-gray
Hardness (Vickers):VHN100=1086 kg/mm2
Fracture:Conchoidal
Density (calculated):4.55 g/cm3

Crystallography of Luobusaite

Crystal System:Orthorhombic
Class (H-M):mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:Cmca {C2/m 2/c 21/a}
Cell Parameters:a = 9.874Å, b = 7.784Å, c = 7.829Å
Ratio:a:b:c = 1.268 : 1 : 1.006
Unit Cell Volume:V 601.7 ų
Z:16
X-Ray Powder Diffraction:
d-spacingIntensity
3.06 (80)
2.849 (20)
2.402 (25)
1.977 (40)
1.889 (60)
1.865 (40)
1.844 (100)

Chemical Properties of Luobusaite

Formula:
Fe
 
0.84
Si
 
2
Essential elements:Fe, Si
All elements listed in formula:Fe, Si

Relationship of Luobusaite to other Species

Related Minerals - Nickel-Strunz Grouping):

- +
1.BB.Zangboite
TiFeSi
 
2
1.BB.05Suessite
(Fe,Ni)
 
3
Si
1.BB.05Mavlyanovite
Mn
 
5
Si
 
3
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.30Gupeiite
Fe
 
3
Si
1.BB.35Hapkeite
Fe
 
2
Si
1.BB.40Xifengite
Fe
 
5
Si
 
3

Other Names for Luobusaite

Synonyms:
IMA 2005-052aRuobusaiteUnnamed (Fe Silicide)
Other Languages:

Other Information

Fluorescence in UV light:non-fluorescent
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 Luobusaite

Reference List:Bai, W., N. Shi, Q. Fang, G. Li, J. Yang, M.Xiong & H. Rong (2007): "Luobusaite- a new mineral": Acta Geologica Sinica 80(10), 1487-1490.[Chinese with English abstract] [MinAbs MA 07M/0529] (abstract)

Internet Links for Luobusaite

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  • Raman and XRD data at RRUFF project
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    Localities for Luobusaite

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    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.
    (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.
    China
     
    • Tibet Autonomous Region
      • Shannan (Lhokha; Lhoka) Prefecture
        • Qusum (Qusong) Co.
    		Wenji Bai, Nicheng Shi, Qingsong Fang, Guowu Li, Ming Xiong, Jingsui Yang, and He Rong (2006): Acta Geologica Sinica 80(5), 656-659; MinAbs MA 07M/0529 (abstract).
    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: 16th Nov 2009 09:17:16