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Khamrabaevite

A valid IMA mineral species
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About KhamrabaeviteHide

00319950017271924251371.jpg
Ibrahim K. Khamrabaeva
Formula:
(Ti,V,Fe)C
Colour:
Dark gray
Lustre:
Metallic
Hardness:
9 - 9½
Specific Gravity:
10.01 (Calculated)
Crystal System:
Isometric
Name:
Named in honor of Ibrahim Khamrabaevich Khamrabaev (Ибраги́м Хамраба́евич Хамра́баев) (5 May 1920, Uzgen, Kyrgyzstan - 29 June 2002, Tashkent, Uzbekistan), Director, Institute of Geology and Geophysics, Tashkent, Uzbekistan.
Possibly the V analogue of 'UM1989-04-C:TiV'.

Synthetic titanium carbide is a very important high-performance ceramic.




Unique IdentifiersHide

Mindat ID:
2194
Long-form identifier:
mindat:1:1:2194:0

IMA Classification of KhamrabaeviteHide

Classification of KhamrabaeviteHide

1.BA.20

1 : ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides)
B : Metallic Carbides, Silicides, Nitrides, Phosphides and Hydrides
A : Carbides
Dana 7th ed.:
1.1.28.2
1.1.19.2

1 : NATIVE ELEMENTS AND ALLOYS
1 : Metals, other than the Platinum Group
2.9

2 : Carbides, Nitrides, Silicides and Phosphides

Mineral SymbolsHide

As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.

SymbolSourceReference for Standard
KrbIMA–CNMNCWarr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43

Physical Properties of KhamrabaeviteHide

Metallic
Transparency:
Opaque
Colour:
Dark gray
Hardness:
9 - 9½ on Mohs scale
Hardness:
VHN100=2290 kg/mm2 - Vickers
Cleavage:
None Observed
Fracture:
Irregular/Uneven
Density:
10.01 g/cm3 (Calculated)

Optical Data of KhamrabaeviteHide

Reflectivity:
WavelengthR1 (%)
440nm46.2%
460nm46.4%
500nm47.2%
520nm47.2%
540nm47.2%
560nm47.4%
580nm47.5%
600nm47.7%
620nm47.9%
640nm48.4%
660nm49.7%
680nm50.3%
700nm50.6%
720nm51.0%
740nm51.7%


Graph shows reflectance levels at different wavelengths (in nm). Peak reflectance is 51.7%.

Chemistry of KhamrabaeviteHide

Mindat Formula:
(Ti,V,Fe)C
Element Weights:
Element% weight
Ti79.941 %
C20.059 %

Calculated from ideal end-member formula.

Crystallography of KhamrabaeviteHide

Crystal System:
Isometric
Class (H-M):
m3m(4/m32/m) - Hexoctahedral
Space Group:
Fm3m
Setting:
Fm3m
Cell Parameters:
a = 4.319(5) Å
Unit Cell V:
80.57 ų (Calculated from Unit Cell)
Z:
8

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0011949KhamrabaeviteChristensen A N (1978) The temperature factor parameters of some transition metal carbides and nitrides by single crystal X-ray and neutron diffraction Acta Chemica Scandinavica A32 89-901978synthetic0293
0018162KhamrabaeviteBecker K, Ebert F (1925) Die Kristallstrukturen einiger binaerer Carbide und Nitride. _cod_database_code 1011320 Zeitschrift fur Physik 31 268-27219250293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
2.163 Å(100)
1.299 Å(100)
1.535 Å(80)
2.504 Å(60)
1.247 Å(40)
1.079 Å(20)

Geological EnvironmentHide

Paragenetic Mode(s):
Paragenetic ModeEarliest Age (Ga)
Pre-terrestrial "Ur-minerals">4.57
1 : Stellar atmosphere condensates
Stage 1: Primary nebular phases4.567-4.561
3 : Solar nebular condensates (CAIs, AOAs, URIs)>4.565
Stage 3a: Earth’s earliest Hadean crust>4.50
8 : Mafic igneous rocks
Near-surface Processes
26 : Hadean detrital minerals
Stage 4b: Highly evolved igneous rocks>3.0
35 : Ultra-alkali and agpaitic igneous rocks

Type Occurrence of KhamrabaeviteHide

General Appearance of Type Material:
Skeletal cubic crystals, 0.1 to 0.3 mm.
Place of Conservation of Type Material:
A.E. Fersman Mineralogical Museum, Academy of Sciences, Moscow, Russia.
Geological Setting of Type Material:
Amygdaloidal basaltic porphyrite.
Associated Minerals at Type Locality:

Synonyms of KhamrabaeviteHide

Other Language Names for KhamrabaeviteHide

Simplified Chinese:碳钛矿

Common AssociatesHide

Associations Based on Photo Data:
1 photo of Khamrabaevite associated with ToledoiteTiFeSi
1 photo of Khamrabaevite associated with CorundumAl2O3
1 photo of Khamrabaevite associated with XifengiteFe5Si3
1 photo of Khamrabaevite associated with NaquiteFeSi

Related Minerals - Strunz-mindat GroupingHide

1.BA.05CoheniteFe3COrth. mmm(2/m2/m2/m)
1.BA.10HaxoniteNiFe22C6Iso. m3m(4/m32/m) : Fm3m
1.BA.10Isovite(Cr,Fe)23C6Iso. m3m(4/m32/m) : Fm3m
1.BA.15TongbaiteCr3C2Orth. mmm(2/m2/m2/m) : Pnma
1.BA.20Niobocarbide(Nb,Ta)CIso. m3m(4/m32/m) : Fm3m
1.BA.20TantalcarbideTaCIso. m3m(4/m32/m) : Fm3m
1.BA.25QusongiteWCHex. 6m2 : P6m2
1.BA.25ZoyashlyukovaiteMoCHex. 6m2 : P6m2
1.BA.30YarlongiteCr4Fe4NiC4Hex. 6mm : P63mc
1.BA.35EdscottiteFe5C2Mon. 2/m : B2/b

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.

Internet Links for KhamrabaeviteHide

References for KhamrabaeviteHide

Localities for KhamrabaeviteHide

Showing 15 localities.

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.
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Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and 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 (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.
China
 
  • Hebei
    • Chengde
      • Fengning County
Vandenbroucke Museum Waregem Belgium ...
  • Tibet
    • Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture)
      • Qusum Co. (Qusong Co.)
        • Luobusha ophiolite ("Luobusa ophiolite")
          • Kangjinla Cr deposit
Mugnaioli et al. (2022)
Israel
 
  • Haifa District
    • Kishon river
      • Kishon Mid Reach zone 2
Griffin et al. (2021)
Griffin et al. (2016) +1 other reference
Mexico
 
  • Chihuahua
    • Pueblito de Allende
Ma et al. (2009)
Russia
 
  • Bashkortostan
    • Ishimbaysky District
Rappenglück (2022)
Mineral. Zhurnal: 9: 7l-82: 1987 Zharg et al. (1986) +1 other reference
Tajikistan
 
  • Sughd
    • Zeravshan Range
      • Pendzhikent District
Pekov (1998)
Ukraine
 
  • Chernihiv Oblast
Rappenglück (2022)
  • Donetsk Oblast
Yatsenko et al. (2021)
    • Starobesheve Raion
      • Kalmiuske Raion
Yatsenko et al. (2020)
    • Volnovakha Raion
Tatarintsev et al. (1990) +1 other reference
Uzbekistan (TL)
 
  • Tashkent
    • Chatkal-Kuraminskii Range
      • Arashan Mountain
Novgorodova et al. (1984) +2 other references
      • Koshmansay River
Yusupov et al. (2009)
Outer Space
 
 
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