Classification of Ernienickelite |
| IMA status: | Approved |
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| Strunz 8th edition ID: | 4/F.11-15
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| 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 |
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| Dana 8th edition ID: | 7.8.2.4
7 : MULTIPLE OXIDES 8 : AB3X7 |
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| mindat.org URL: | http://www.mindat.org/min-1402.html Please feel free to link to this page. |
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Type Occurrence of Ernienickelite |
| Type Locality: | SM7 pit, Siberia complex, Western Australia, Australia |
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| Place of Conservation of Type Material: | Canadian Museum of Nature, cat. no. CMN#81510 |
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Physical Properties of Ernienickelite |
| Diaphaneity (Transparency): | Opaque |
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| Colour: | Black, red-brown cast. |
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| Streak: | yellow-brown |
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| Hardness (Mohs): | 2 |
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| Hardness Data: | Measured |
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| Tenacity: | Brittle |
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| Fracture: | Splintery |
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| Density (measured): | 3.84 g/cm3 |
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| Density (calculated): | 3.83 g/cm3 |
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Crystallography of Ernienickelite |
| Crystal System: | Trigonal |
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| Class (H-M): | 3 - Pyramidal |
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| Space Group: | R3 |
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| Cell Parameters: | a = 7.5142(2) Å, c = 20.52(2) Å
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| Ratio: | a:c = 1 : 2.731 |
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| Unit Cell Volume: | V 1,003.40 ų (Calculated from Unit Cell) |
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| Z: | 6 |
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| Morphology: | platy crystals, hexagonal to nearly circular |
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| Twinning: | on {-12-10} |
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| X-Ray Powder Diffraction: | | d-spacing | | Intensity | | 6.84 | | (100) | | 2.219 | | (30) | | 4.01 | | (20) | | 1.884 | | (20) | | 1.575 | | (20) | | 3.44 | | (10) |
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Optical Data of Ernienickelite |
| Type: | Uniaxial (-) |
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| RI values: | nω = 2.000 nε = 1.970 |
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| Maximum Birefringence: | δ = 0.030
 Chart shows birefringence interference colour range (at 30µm thickness) and does not take into account mineral colouration. |
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| Surface Relief: | Very High |
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Chemical Properties of Ernienickelite |
| Formula: | |
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| Essential elements: | H, Mn, Ni, O |
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| All elements listed in formula: | H, Mn, Ni, O |
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| Common Impurities: | Co,Mg |
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Relationship of Ernienickelite to other Species |
Related Minerals - Nickel-Strunz Grouping):
- + | |
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Other Names for Ernienickelite |
| Synonyms: | |
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| Other Languages: | |
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Other Information |
| Health Warning: | No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care. |
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References for Ernienickelite |
| Reference List: | 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)]
Grice, J.D., et al. (1994): Ernienickelite, a new mineral species from the Siberia complex, Western Australia: comments on the crystallography of the chalcophanite group: Canadian Mineralogist: 32: 333-337. [abstract: American Mineralogist 80,404(1995)]
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Internet Links for Ernienickelite |
| Search Engines: |
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| External Links: | Look for Ernienickelite on WebmineralLook for Ernienickelite on Athena MineralogyLook for Ernienickelite on WikipediaLook for Ernienickelite on Mineralien AtlasRaman and XRD data at RRUFF projectAmerican Mineralogist Crystal Structure DatabaseSearch for Ernienickelite in the Natural History Museum (London) online catalogue |
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| Mineral Dealers: | Edwards Minerals - Fine SpecimensBuy minerals from Mineralium.comrare and unusual minerals mainly crystallizedSearch for - Ernienickelite - on e-Rocks Mineral Sales & AuctionsBuy Fine Minerals from mineralsweb.comRare and Unusual minerals at Mineralogical Research CompanyFine Minerals from Dan Weinrich MineralsSpiriferMinerals.com - high quality specimensDAKOTA MATRIX offers Cabinet and Rare Species from Worldwide Localities.Top quality minerals from Kristalle of CaliforniaFind Ernienickelite on www.crystalclassics.co.ukWilensky Fine Minerals |
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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
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