Kombatite
A valid IMA mineral species
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About Kombatite
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.
Unique Identifiers
Mindat ID:
2246
Long-form identifier:
mindat:1:1:2246:6
GUID
(UUID V4):
(UUID V4):
a804142c-a61f-42ef-8f17-456b3592b35d
IMA Classification of Kombatite
Approved
IMA Formula:
Pb14O9(VO4)2Cl4
First published:
1986
Classification of Kombatite
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
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
O : With only large cations, (OH, etc.):RO4 about 1:1
41.1.4.2
41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
1 : (AB)m(XO4)pZq, where m:p > 4:1
41 : ANHYDROUS PHOSPHATES, ETC.CONTAINING HYDROXYL OR HALOGEN
1 : (AB)m(XO4)pZq, where m:p > 4:1
22.2.15
22 : Phosphates, Arsenates or Vanadates with other Anions
2 : Phosphates, arsenates or vanadates with chloride
22 : Phosphates, Arsenates or Vanadates with other Anions
2 : Phosphates, arsenates or vanadates with chloride
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Kb | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Pronunciation of Kombatite
Pronunciation:
Play | Recorded by | Country |
---|---|---|
Jolyon Ralph | United Kingdom | |
Debbie Woolf | United Kingdom |
Physical Properties of Kombatite
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}
{010}
Density:
4.3 g/cm3 (Measured) 7.979 g/cm3 (Calculated)
Comment:
D(meas.) = > 4.3
Optical Data of Kombatite
Type:
Biaxial (-)
Comments:
n = > 1.90
Chemistry of Kombatite
Mindat Formula:
Pb14(VO4)2O9Cl4
Elements listed:
Crystallography of Kombatite
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)°
β = 118.11(1)°
Ratio:
a:b:c = 0.562 : 1 : 0.5
Unit Cell V:
2,847.11 ų (Calculated from Unit Cell)
Z:
4
Comment:
pseudotetragonal
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0001661 | Kombatite | Cooper M A, Hawthorne F C (1994) The crystal structure of kombatite, Pb14(VO4)2O9Cl4, a complex heteropolyhedral sheet mineral American Mineralogist 79 550-554 | 1994 | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
3.006 Å | (100) |
2.958 Å | (100) |
2.812 Å | (100) |
2.253 Å | (70) |
1.756 Å | (70) |
1.590 Å | (60) |
1.989 Å | (50) |
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
Stage 7: Great Oxidation Event | <2.4 |
47a : [Near-surface hydration of prior minerals] | |
47e : [Vanadates, chromates, manganates] | |
47g : [Halogen-bearing surface weathering minerals] |
Type Occurrence of Kombatite
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:
Reference:
Rouse, R.C., Dunn, P.J., and Innes, J. (1986) Kombatite, the vanadium analogue of sahlinite, from the Kombat Mine, South West Africa. Neues Jahrbuch für Mineralogie, Monatshefte, 519-522.
Synonyms of Kombatite
Other Language Names for Kombatite
Common Associates
Associated Minerals Based on Photo Data:
10 photos of Kombatite associated with Hausmannite | Mn2+Mn3+2O4 |
2 photos of Kombatite associated with Calcite | CaCO3 |
2 photos of Kombatite associated with Baryte | BaSO4 |
2 photos of Kombatite associated with Milanriederite | (Ca18[REE])Fe3+Al4(Mg4Al4)(◻4)◻[Si2O7]4[(SiO4)10](OH)(OH)9 |
1 photo of Kombatite associated with Hereroite | [Pb32(O,◻)21](AsO4)2[(Si,As,V,Mo]O4)2Cl10 |
1 photo of Kombatite associated with Vladkrivovichevite | [Pb32O18][Pb4Mn2O]Cl14(BO3)8 · 2H2O |
1 photo of Kombatite associated with Asisite | Pb7SiO9Cl2 |
1 photo of Kombatite associated with Barysilite | Pb8Mn2+[Si2O7]3 |
1 photo of Kombatite associated with Sahlinite | Pb14(AsO4)2O9Cl4 |
Related Minerals - Strunz-mindat Grouping
8.BO. | Ariegilatite | BaCa12(SiO4)4(PO4)2F2O |
8.BO. | Aravaite | Ba2Ca18(SiO4)6(PO4)3(CO3)F3O |
8.BO. | Theuerdankite | Ag3AsO4 |
8.BO.05 | Nacaphite | Na2Ca(PO4)F |
8.BO.10 | Preisingerite | Bi3(AsO4)2O(OH) |
8.BO.10 | Petitjeanite | Bi3(PO4)2O(OH) |
8.BO.10 | Schumacherite | Bi3(VO4)2O(OH) |
8.BO.15 | Atelestite | Bi2(AsO4)O(OH) |
8.BO.15 | Hechtsbergite | Bi2(VO4)O(OH) |
8.BO.15 | Smrkovecite | Bi2(PO4)O(OH) |
8.BO.20 | Sahlinite | Pb14(AsO4)2O9Cl4 |
8.BO.25 | Heneuite | CaMg5(CO3)(PO4)3(OH) |
8.BO.30 | Nefedovite | Na5Ca4(PO4)4F |
8.BO.35 | Kuznetsovite | [Hg2]2+Hg2+[AsO4]Cl |
8.BO.40 | Artsmithite | [Hg2]2+2Al(PO4)1.74(OH)1.78 |
8.BO.45 | Schlegelite | Bi7(AsO4)3(MoO4)2O4 |
8.BO.50 | Hereroite | [Pb32(O,◻)21](AsO4)2[(Si,As,V,Mo]O4)2Cl10 |
8.BO.50 | Erikjonssonite | (Pb32O21)[(V,Si,Mo,As)O4]4Cl9 |
8.BO.55 | Rudabányaite | (Ag2Hg2)(AsO4)Cl |
8.BO.60 | Segerstromite | Ca3(As5+O4)2[As3+(OH)3]2 |
8.BO.65 | Wiklundite | Pb2(Mn2+,Zn)3(Fe3+,Mn2+)2(Mn2+,Mg)19(As3+O3)2[(Si,As5+)O4]6(OH)18Cl6 |
Other Information
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 Kombatite
mindat.org URL:
https://www.mindat.org/min-2246.html
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References for Kombatite
Localities for Kombatite
Locality List
- 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.
All localities listed without proper references should be considered as questionable.
Namibia (TL) | |
| Rouse et al. (1986) +3 other references |
UK | |
| Rumsey (2008) |
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Wesley Mine, Westbury on Trym, Bristol, England, UK