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|System:||Hexagonal||Colour:||Bluish to brownish black|
|Name:||Named from the Greek "to soil like soot".|
A poorly defined species, essentially nickeloan "wad".
The chemical composition is rather variable (the mineral can also contain Co, Cu and other metals).
Classification of Asbolane
|IMA status:||Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"|
|Strunz 8th edition ID:||4/F.07-20|
|Nickel-Strunz 10th (pending) edition ID:||4.FL.30|
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
F : Hydroxides (without V or U)
L : Hydroxides with H2O +- (OH); sheets of edge-sharing octahedra
|Dana 7th edition ID:||126.96.36.199|
|Dana 8th edition ID:||188.8.131.52|
6 : HYDROXIDES AND OXIDES CONTAINING HYDROXYL
4 : Miscellaneous
|Hey's CIM Ref.:||7.21.4|
7 : Oxides and Hydroxides
21 : Oxides of Co
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Occurrences of Asbolane
|Geological Setting:||As a weathering product in silicic rocks; in siliceous schists; widespread in residual soils above ultramafic rocks|
Physical Properties of Asbolane
|Colour:||Bluish to brownish black|
|Streak:||Black to brownish black|
Crystallography of Asbolane
|Cell Parameters:||a = 3.04Å, c = 9.34Å|
|Ratio:||a:c = 1 : 3.072|
|Unit Cell Volume:||V 74.75 Å³ (Calculated from Unit Cell)|
|Morphology:||Thin lamellar aggregates of platelets up to several µm; massive|
|X-Ray Powder Diffraction:|
|Comments:||Recorded on material from the Lipov deposit, Russia|
Optical Data of Asbolane
Chemical Properties of Asbolane
|Simplified for copy/paste:||(Ni,Co)2-xMn4+(O,OH)4·nH2O|
|Essential elements:||H, Mn, Ni, O|
|All elements listed in formula:||Co, H, Mn, Ni, O|
|Analytical Data:||Analytical data from electron microprobe analysis of material from New Caledonia; total iron calculated as Fe2O3, water content calculated from the mass balance|
Empirical formula based on TEM-EDS, supported by TGA and IR, of material from the Lipov deposit; individual results not reported
SiO2 (0.6) Al2O3 (0.1) Fe2O3 (0.9) Co2O3 (1.0) MnO2 (66.7) NiO (17.9) H2O (12.8) sum 100.0 wt.-%
Relationship of Asbolane to other Species
|Related Minerals - Nickel-Strunz Grouping):|
|Related Minerals - Hey's Index Grouping:|
Other Names for Asbolane
|Health Warning:||No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.|
References for Asbolane
Palache, C., Berman, H. and Frondel, C. (1944): Dana's system of mineralogy, 7th ed., Vol. 1, 566, 568.
Chukhrov, F. V., Gorshkov, A. I., Vitovskaya, I. V., Drits, V. A., Sivtsov, A. V. and Rudnitskaya, Y. S. (1980): Crystallochemical nature of Co-Ni-asbolan. Izv. Akad. Nauk. SSSR, Ser. Geol. 6, 73-81 (in Russian). - Mineral. Abs. (1981) 32, 322 (abstract). - American Mineralogist (1982) 67: 417 (abstract).
Chukhrov, F. V., Gorshkov, A. I., Vitovskaya, I. V., Drits, V. A., Sivtsov, A. V. and Dikov, Y. P. (1980): Crystallochemical nature of Ni-asbolan. Izv. Akad. Nauk. SSSR, Ser. Geol. 9, 108-120 (in Russian). - American Mineralogist (1982) 67: 418 (abstract).
Llorca, S. and Monchoux, P. (1991): Supergene cobalt minerals from New Caledonia. Canadian Mineralogist 29, 149-161.
Manceau, A., Gorshkov, A. I. and Drits, V. A. (1992): Structural chemistry of Mn, Fe, Co and Ni in mangenese hydrous oxides, part II: Information from EXAFS spectroscopy and electron X-ray diffraction. American Mineralogist 77, 1144-1157.
Anthony, J. W. et al. (1997): Handbook of Mineralogy, Vol. 3, 26.
Internet Links for Asbolane
Localities for Asbolane
The 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.
(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
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Locality Updated: Tondela, Viseu District, PortugalFrom Rui Nunes, 24th Oct 2014 11:16:06