Kombatite Mineral Data + 
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- 41.1.4.1 Sahlinite Pb14(AsO4)2O9Cl4 C 2/c 2/m
- 41.1.4.2 Kombatite Pb14(VO4)2O9Cl4 C 2/c 2/m
- VII/B.40-20 Georgiadesite Pb4(AsO3)Cl4(OH) P 21/c 2/m
- VII/B.40-30 Sahlinite Pb14(AsO4)2O9Cl4 C 2/c 2/m
- VII/B.40-40 Kombatite Pb14(VO4)2O9Cl4 C 2/c 2/m
General Kombatite Information |
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 Chemical Formula: |
Pb14(VO4)2O9Cl4 | ||
| Composition: |
Molecular Weight = 3,416.48 gm | ||
| Vanadium 2.98 % V 5.32 % V2O5 | |||
| Lead 84.91 % Pb 91.46 % PbO | |||
| Chlorine 4.15 % Cl 4.15 % Cl | |||
| - % Cl -0.94 % -O=Cl2 | |||
| Oxygen 7.96 % O | |||
| ______ ______ | |||
| 100.00 % 100.00 % = TOTAL OXIDE | |||
| Empirical Formula: |
Pb14(VO4)2O9Cl4 | ||
| IMA Status: |
Approved IMA 1986 | ||
| Locality: |
Kombat mine, located 37 km east of Otavi and 49 km south of Tsumeb in the north-central part of Namibia. Link to MinDat.org Location Data. | ||
| Name Origin: |
The name is for the Kombat mine, which is the Anglicized version of the Herero names, "Okombahe Tijinene" and "Okombahe Katiti" which mean "the large drinking place of the giraffe," and the "small drinking place of the | ||
| Synonym: |
ICSD 75288 | ||
| PDF 40-497 | |||
Kombatite Image | |||
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Images:
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Kombatite Crystallography |
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| Axial Ratios: |
a:b:c =0.5619:1:0.4998 | ||
| Cell Dimensions: |
a = 12.682, b = 22.566, c = 11.279, Z = 4; beta = 118.11° V = 2,847.11 Den(Calc)= 7.97 | ||
| Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c | ||
| X Ray Diffraction: |
By Intensity(I/Io): 2.812(1), 2.958(1), 3.006(1), | ||
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Crystal Structure:
Mouse |
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Physical Properties of Kombatite |
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| Cleavage: |
[???] Perfect | ||
| Color: |
Light yellow. | ||
| Diaphaniety: |
Translucent | ||
| Hardness: |
2-3 - Gypsum-Calcite | ||
| Luster: |
Adamantine | ||
| Streak: |
light yellow | ||
Optical Properties of Kombatite |
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| Optical Data: |
NCalc= 2.22 - from Gladstone-Dale relationship (KC = 0.1529) where Ncalc=Dcalc*KC+1 |
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Calculated Properties of Kombatite |
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| Electron Density: |
relectron=6.52 gm/cc |
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| Fermion Index |
Fermion Index = 0.18775 Boson Index = 0.81225 |
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| Photoelectric: |
PEKombatite =1,593.62 barns/electron |
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Kombatite is Not Radioactive |
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Kombatite Classification |
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| Dana Class: |
41.1.4.2 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen | ||
| (41.1)where (A++)m (XO4)p Zq, with m:p>4:1 | |||
| (41.1.4)Dana Group | |||
| Strunz Class: |
VII/B.40-40 VII - Phosphates, Arsenates and Vanadates | ||
| VII/B - Waterfree phosphates with unfamiliar anions F, Cl, O, OH. cations of medium and big size: Mg, Cu, Zn, and Ca, Na, K, Ba, Pb | |||
| VII/B.40 - Atelestite - Kombatite series | |||
Other Kombatite Information |
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| References: |
NAME( MinRec, v 22, p 422) PHYS. PROP.(Am.Min.,Vol.73,p928,1988) | ||
| See Also: |
Links to other databases for Kombatite : 1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 - WWW-MINCRYST 13 -École des Mines de Paris Search for Kombatite using: Visit our Advertisers for Kombatite : Translate Kombatite Mineral Data : Ask about Kombatite here : Print or Cut-and-Paste your Kombatite Specimen Label here :
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