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.
Isostructural with:
The VO4 analogue of sahlinite.
Chemically similar to erikjonssonite, hereroite, janchevite, and vanadinite.
Chemically similar to erikjonssonite, hereroite, janchevite, and vanadinite.
Unique Identifiers
Mindat ID:
2246
Long-form identifier:
mindat:1:1:2246:6
Similar Names
| Komatiite | A rock classification type |
IMA Classification of Kombatite
Approved
IMA Formula:
Pb2+14O9(V5+O4)2Cl4
Approval year:
1985
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 for Standard |
|---|---|---|
| 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
Element Weights:
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:
Synonyms of Kombatite
Other Language Names for Kombatite
Common Associates
Associations Based on Photo Data:
| 15 photos of Kombatite associated with Hausmannite | Mn2+Mn3+2O4 |
| 3 photos of Kombatite associated with Milanriederite | (Ca18[REE])Fe3+Al4(Mg4Al4)(◻4)◻[Si2O7]4[(SiO4)10](OH)(OH)9 |
| 3 photos of Kombatite associated with Hereroite | [Pb32(O,◻)21](AsO4)2[(Si,As,V,Mo)O4]2Cl10 |
| 2 photos of Kombatite associated with Baryte | BaSO4 |
| 2 photos of Kombatite associated with Calcite | CaCO3 |
| 1 photo of Kombatite associated with Janchevite | Pb9V5+(O10.25◻0.75)Cl2.5 |
| 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 | Petitjeanite | Bi3(PO4)2O(OH) |
| 8.BO.10 | Schumacherite | Bi3(VO4)2O(OH) |
| 8.BO.10 | Preisingerite | Bi3(AsO4)2O(OH) |
| 8.BO.15 | Hechtsbergite | Bi2(VO4)O(OH) |
| 8.BO.15 | Smrkovecite | Bi2(PO4)O(OH) |
| 8.BO.15 | Atelestite | Bi2(AsO4)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
Reference List:
Jambor, John L.; Bladh, Kenneth W.; Ercit, T. Scott; Grice, Joel D.; Grew, Edward S. (1988) New mineral names. American Mineralogist, 73 (7-8). 927-935
Localities for Kombatite
Showing 4 localities.
symbol to view information about a locality.
The 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).
All localities listed without proper references should be considered as questionable.
Namibia (TL) | |
| Rouse et al. (1986) +3 other references |
Spain | |
| Dill et al. (2023) |
| Dill et al. (2023) | |
UK | |
| Rumsey (2008) |
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Wesley Mine, Westbury on Trym, Bristol, England, UK