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Kombatite

A valid IMA mineral species
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04408330017271924301804.jpg
Kombatite, etc.

Wesley Mine, Westbury on Trym, Bristol, England, UK
08723730017271924338500.jpg
Kombatite

Kombat Mine, Kombat, Otavi Constituency, Otjozondjupa Region, Namibia
05521410017271924365640.jpg
Kombatite, etc.

Kombat Mine, Kombat, Otavi Constituency, Otjozondjupa Region, Namibia
04408330017271924301804.jpg
Kombatite, etc.

Wesley Mine, Westbury on Trym, Bristol, England, UK
08723730017271924338500.jpg
Kombatite

Kombat Mine, Kombat, Otavi Constituency, Otjozondjupa Region, Namibia
05521410017271924365640.jpg
Kombatite, etc.

Kombat Mine, Kombat, Otavi Constituency, Otjozondjupa Region, Namibia
04408330017271924301804.jpg
Kombatite, etc.

Wesley Mine, Westbury on Trym, Bristol, England, UK
08723730017271924338500.jpg
Kombatite

Kombat Mine, Kombat, Otavi Constituency, Otjozondjupa Region, Namibia
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About KombatiteHide

00906950017271924434151.jpg
Kombat

Kombat Mine, Kombat, Otavi Constituency, Otjozondjupa Region, Namibia
Formula:
Pb14(VO4)2O9Cl4
Colour:
Bright yellow
Lustre:
Adamantine
Hardness:
2 - 3
Specific Gravity:
4.3
Crystal System:
Monoclinic
Name:
Named for the type locality, the Kombat mine.
Isostructural with:
Sahlinite
The VO4 analogue of sahlinite.

Chemically similar to erikjonssonite, hereroite, janchevite, and vanadinite.


Unique IdentifiersHide

Mindat ID:
2246
Long-form identifier:
mindat:1:1:2246:6

Similar NamesHide

KomatiiteA rock classification type

IMA Classification of KombatiteHide

Classification of KombatiteHide

Strunz-mindat (2026):
8.BO.20

8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
O : With only large cations, (OH, etc.):RO4 about 1:1
Dana 8th ed.:
41.1.4.2

41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
1 : (AB)m(XO4)pZq, where m:p > 4:1
Hey's CIM Ref.:
22.2.15

22 : Phosphates, Arsenates or Vanadates with other Anions
2 : Phosphates, arsenates or vanadates with chloride

Mineral SymbolsHide

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

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

Pronunciation of KombatiteHide

Pronunciation:
PlayRecorded byCountry
Jolyon RalphUnited Kingdom
Debbie WoolfUnited Kingdom

Physical Properties of KombatiteHide

Lustre:
Adamantine
Transparency:
Translucent
Colour:
Bright yellow
Streak:
Pale yellow
Hardness:
2 - 3 on Mohs scale
Comment:
by analogy to sahlinite
Tenacity:
Brittle
Cleavage:
Perfect
{010}
Density:
4.3 g/cm3 (Measured)    7.979 g/cm3 (Calculated)
Comment:
D(meas.) = > 4.3

Optical Data of KombatiteHide

Type:
Biaxial (-)
Comments:
n = > 1.90

Chemistry of KombatiteHide

Mindat Formula:
Pb14(VO4)2O9Cl4
Element Weights:
Element% weight
Pb84.906 %
O7.961 %
Cl4.151 %
V2.982 %

Calculated from ideal end-member formula.
Pb
O
Cl
V
Elements listed:
Cl, O, Pb, V - search for minerals with similar chemistry

Crystallography of KombatiteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/b
Setting:
C2/c
Cell Parameters:
a = 12.682(2) Å, b = 22.566(2) Å, c = 11.279(2) Å
β = 118.11(1)°
Ratio:
a:b:c = 0.562 : 1 : 0.5
Unit Cell V:
2,847.11 ƅĀ³ (Calculated from Unit Cell)
Z:
4
Comment:
pseudotetragonal

Crystal StructureHide

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IDSpeciesReferenceLinkYearLocalityPressure (GPa)Temp (K)
0001661KombatiteCooper M A, Hawthorne F C (1994) The crystal structure of kombatite, Pb14(VO4)2O9Cl4, a complex heteropolyhedral sheet mineral American Mineralogist 79 550-55419940293
CIF Raw Data - click here to close

X-Ray Powder DiffractionHide

Powder Diffraction Data:
d-spacingIntensity
3.006 ƅ(100)
2.958 ƅ(100)
2.812 ƅ(100)
2.253 ƅ(70)
1.756 ƅ(70)
1.590 ƅ(60)
1.989 ƅ(50)

Geological EnvironmentHide

Type Occurrence of KombatiteHide

Type Locality:
ā“˜ Kombat Mine, Kombat, Otavi Constituency, Otjozondjupa Region, Namibia
General Appearance of Type Material:
Anhedral grains, to 0.2 mm.
Place of Conservation of Type Material:
Canadian Geological Survey, Ottawa, Canada, 64563.
Geological Setting of Type Material:
Layered manganese ores.
Associated Minerals at Type Locality:
CalciteHausmanniteHematiteKentrolite
Reference:
Rouse, R. C., Dunn, P. J., Innes, J. (1986) Kombatite, the vanadium analogue of sahlinite, from the Kombat Mine, South West Africa. Neues Jahrbuch fĆ¼r Mineralogie - Monatshefte, 1986. 519-522

Synonyms of KombatiteHide

Other Language Names for KombatiteHide

Common AssociatesHide

Associations Based on Photo Data:
15 photos of Kombatite associated with HausmanniteMn2+Mn3+2O4
3 photos of Kombatite associated with Milanriederite(Ca18[REE])Fe3+Al4(Mg4Al4)(ā—»4)ā—»[Si2O7]4[(SiO4)10](OH)(OH)9
3 photos of Kombatite associated with Hereroite[Pb32(O,ā—»)21](AsO4)2[(Si,As,V,Mo)O4]2Cl10
2 photos of Kombatite associated with CalciteCaCO3
2 photos of Kombatite associated with BaryteBaSO4
1 photo of Kombatite associated with JanchevitePb9V5+(O10.25ā—»0.75)Cl2.5
1 photo of Kombatite associated with Vladkrivovichevite[Pb32O18][Pb4Mn2O]Cl14(BO3)8 Ā· 2H2O
1 photo of Kombatite associated with AsisitePb7SiO9Cl2
1 photo of Kombatite associated with BarysilitePb8Mn2+[Si2O7]3
1 photo of Kombatite associated with SahlinitePb14(AsO4)2O9Cl4

Related Minerals - Strunz-mindat GroupingHide

8.BO.AriegilatiteBaCa12(SiO4)4(PO4)2F2OTrig. 3m(32/m) : R3m
8.BO.AravaiteBa2Ca18(SiO4)6(PO4)3(CO3)F3OTrig. 3m(32/m) : R3m
8.BO.TheuerdankiteAg3AsO4Iso. 43m : P43n
8.BO.05NacaphiteNa2Ca(PO4)FMon. 2/m : P21/c
8.BO.10PetitjeaniteBi3(PO4)2O(OH)Tric. 1 : P1
8.BO.10SchumacheriteBi3(VO4)2O(OH)Tric. 1 : P1
8.BO.10PreisingeriteBi3(AsO4)2O(OH)Tric. 1 : P1
8.BO.15HechtsbergiteBi2(VO4)O(OH)Mon. 2/m : P21/c
8.BO.15SmrkoveciteBi2(PO4)O(OH)Mon. 2/m : P21/c
8.BO.15AtelestiteBi2(AsO4)O(OH)Mon. 2/m : P21/c
8.BO.20SahlinitePb14(AsO4)2O9Cl4Mon. 2/m : B2/b
8.BO.25HeneuiteCaMg5(CO3)(PO4)3(OH)Tric. 1 : P1
8.BO.30NefedoviteNa5Ca4(PO4)4FTric.
8.BO.35Kuznetsovite[Hg2]2+Hg2+[AsO4]ClIso. 23 : P213
8.BO.40Artsmithite[Hg2]2+2Al(PO4)1.74(OH)1.78Mon. 2/m : B2/b
8.BO.45SchlegeliteBi7(AsO4)3(MoO4)2O4Orth. mmm(2/m2/m2/m)
8.BO.50Hereroite[Pb32(O,ā—»)21](AsO4)2[(Si,As,V,Mo)O4]2Cl10Mon. 2/m : B2/b
8.BO.50Erikjonssonite(Pb32O21)[(V,Si,Mo,As)O4]4Cl9Mon. 2/m : B2/b
8.BO.55RudabƔnyaite(Ag2Hg2)(AsO4)ClIso. 43m : F43c
8.BO.60SegerstromiteCa3(As5+O4)2[As3+(OH)3]2Iso. 23 : I213
8.BO.65WiklunditePb2(Mn2+,Zn)3(Fe3+,Mn2+)2(Mn2+,Mg)19(As3+O3)2[(Si,As5+)O4]6(OH)18Cl6Trig. 3m(32/m) : R3c

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 KombatiteHide

References for KombatiteHide

Localities for KombatiteHide

Showing 4 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. ā“˜ - 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.
Namibia (TL)
 
  • Otjozondjupa Region
    • Otavi Constituency
      • Kombat
Rouse et al. (1986) +3 other references
Spain
 
  • Canary Islands
    • Santa Cruz de Tenerife Province
      • Tenerife
        • Candelaria
          • Barranco Hondo
Dill et al. (2023)
Dill et al. (2023)
UK
 
  • England
    • Bristol
      • Westbury on Trym
Rumsey (2008)
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