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|System:||Trigonal||Colour:||Black, red-brown cast.|
|Name:||Named in honor of Ernest (Ernie) Henry Nickel (1925-2009), Canadian-Australian mineralogist, Canada Centre for Mineral and Energy Technology (CANMET), Ottawa (1953-1971), Division of Mineralogy, CSIRO, Wembley, Western Australia (1971-1985), for his outstanding contributions to research on the mineralogy and genesis of economic mineral deposits in Canada and Australia, and to his dedication to the formalization of mineral systematics.|
This page provides mineralogical data about Ernienickelite.
Classification of Ernienickelite
|Strunz 8th edition ID:||4/F.11-15|
|Nickel-Strunz 10th (pending) edition ID:||4.FL.20|
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:||220.127.116.11|
7 : MULTIPLE OXIDES
8 : AB3X7
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Type Occurrence of Ernienickelite
|Type Locality:||SM7 pit, Siberia, Kalgoorlie-Boulder Shire, Western Australia, Australia|
|Place of Conservation of Type Material:||Canadian Museum of Nature, cat. no. CMN#81510|
Physical Properties of Ernienickelite
|Colour:||Black, red-brown cast.|
|Density (measured):||3.84 g/cm3|
|Density (calculated):||3.83 g/cm3|
Crystallography of Ernienickelite
|Class (H-M):||3 - Pyramidal|
|Cell Parameters:||a = 7.5142(2) Å, c = 20.52(2) Å|
|Ratio:||a:c = 1 : 2.731|
|Unit Cell Volume:||V 1,003.40 Å³ (Calculated from Unit Cell)|
|Morphology:||platy crystals, hexagonal to nearly circular|
|X-Ray Powder Diffraction:|
Optical Data of Ernienickelite
|RI values:||nω = 2.000 nε = 1.970|
|Maximum Birefringence:||δ = 0.030|
Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration.
|Surface Relief:||Very High|
Chemical Properties of Ernienickelite
|Simplified for copy/paste:||NiMn3O7·3H2O|
|Essential elements:||H, Mn, Ni, O|
|All elements listed in formula:||H, Mn, Ni, O|
Relationship of Ernienickelite to other Species
|Related Minerals - Nickel-Strunz Grouping):|
Other Names for Ernienickelite
|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 Ernienickelite
GRICE, J.D. GARTRELL, B., GAULT, R.A. & VAN VELTHUIZEN, J. (1994): Ernienickelite, NiMn3O73H2O, a new mineral species from the Siberia complex, Western Australia: comments on the crystallography of the calcophanite group. Canadian Mineralogist 32, 333-337.
Gorshkov, A.I., et al. (1992): Ni-chalcophanite: a new variety of the mineral from a weathering crust on ultramafic rocks of the Kempirsay massif (southern Urals: Izvest. Akad. Nauk, Ser. Geol. 1992 (11), 108-117. [abstract: American Mineralogist, 79,388(1994)]
Internet Links for Ernienickelite
Localities for Ernienickelite
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: Frassine, Monterotondo Marittimo, Grosseto Province, Tuscany, ItalyFrom Knut Edvard Larsen, 26th Jul 2014 07:02:10