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|System:||Trigonal||Colour:||Dark reddish brown|
|Name:||For the type locality, the Muskox intrusion, Kitikmeot Region, Nunavut, Canada.|
As part of the recent re-evaluation of the nomenclature of the hydrotalcite supergroup (Mills et al., 2012), muscoxite was identified as a questionable species which needs further investigation. The range of composition currently ascribed to muskoxite may represent more than one species.
Classification of Muskoxite
|IMA status:||Questionable/Doubtful 2012|
|Strunz 8th edition ID:||4/F.05-30|
|Nickel-Strunz 10th (pending) edition ID:||4.FL.05|
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 8th edition ID:||18.104.22.168|
7 : MULTIPLE OXIDES
11 : Miscellaneous
|Hey's CIM Ref.:||7.20.12|
7 : Oxides and Hydroxides
20 : Oxides of Fe
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Type Occurrence of Muskoxite
|Type Locality:||Muskox Intrusion, Coppermine River area, Northwest Territories, Canada|
|General Appearance of Type Material:||Veins in drill core|
|Year of Discovery:||1969|
Physical Properties of Muskoxite
|Colour:||Dark reddish brown|
|Density (measured):||3.10 - 3.20 g/cm3|
Crystallography of Muskoxite
|Class (H-M):||3m (3 2/m) - Hexagonal Scalenohedral|
|Cell Parameters:||a = 3.07Å, c = 4.6Å|
|Ratio:||a:c = 1 : 1.498|
|Unit Cell Volume:||V 37.55 Å³ (Calculated from Unit Cell)|
|Morphology:||Paper thin hexagons, trigonal equant grains.|
|Comment:||Pseudo cell - actual cell believed to be larger|
Optical Data of Muskoxite
Chemical Properties of Muskoxite
|Essential elements:||Fe, H, Mg, O|
|All elements listed in formula:||Fe, H, Mg, O|
Relationship of Muskoxite to other Species
|Member of:||Hydrotalcite Supergroup|
|Other Members of Group:|
|Related Minerals - Nickel-Strunz Grouping):|
|Related Minerals - Hey's Index Grouping:|
Other Names for Muskoxite
|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 Muskoxite
JAMBOR, J.L. (1969): Muskoxite, a new hydrous magnesium - ferric iron oxide from the Muskox Intrusion, Northwest Territories, Canada. American Mineralogist 54, 684-696.
Mills, S.J., Christy, A.G., Genin, J.-M.R., Kameda, T., Colombo, F. (2012): Nomenclature of the hydrotalcite supergroup: natural layered double hydroxides. Mineralogical Magazine, 76, 1289-1336.
Internet Links for Muskoxite
Localities for Muskoxite
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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