[On-Line Catalogue] [On-Line Auctions] [eBay] [Contact Us] [Policies] We specialize in fine European and Asian Mineral Specimens Heliodor is based in Prague, Czech Republic General Ernienickelite InformationNiMn++++3O7•3(H2O) |
Molecular Weight = 389.55 gm |
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Manganese 42.31 % Mn 66.95 % MnO2 |
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Nickel 15.07 % Ni 19.17 % NiO |
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Hydrogen 1.55 % H 13.87 % H2O |
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Oxygen 41.07 % O |
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100.00 % 100.00 % = TOTAL OXIDE |
NiMn4+3O7•3(H2O) |
Cavities in chalcedony in a laterized dunite. |
Approved IMA 1994 |
SM7 open pit N of Siberia, Kalgoorlie district, WA, Australia. Link to MinDat.org Location Data. |
Named for Ernest (Ernie) Henry Nickel (1925-), Canadian-Australian mineralogist, Commonwealth Scientific and Industrial Research Organization (CISRO) and International Mineralogical Association (IMA). |
Ernienickelite + Pronunciation |
IMA1993-002 |
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Ernienickelite Crystallographya:c = 1:2.7309 |
a = 7.514, c = 20.52, Z = 6; V = 1,003.35 Den(Calc)= 3.87 |
TrigonalSpace Group: R 3 or R 3 |
By Intensity(I/Io): 6.84(1), 2.219(0.3), 4.01(0.2), |
| Physical Properties of Ernienickelite{0001} Perfect |
Reddish black. |
3.84 |
Subtranslucent to Opaque |
Brittle - Splintery - Brittle fracture leaving splintery fragments. |
Microscopic Crystals - Crystals visible only with microscopes. |
Platy - Sheet forms (e.g. micas). |
Rosette - Bundled tabular aggregates resembling rose flower petals. |
2 - Gypsum |
Sub Metallic |
yellowish brown |
| Optical Properties of ErnienickeliteCI meas= 0.256 (Poor) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.262 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.2545,KPDmeas= 0.2565,KC= 0.3447 Ncalc = 2.32 - 2.33 Uniaxial (-), e=1.97, w=2, bire=0.0300. |
| Calculated Properties of ErnienickeliteBulk Density (Electron Density)=3.73 gm/cc |
note: Specific Gravity of Ernienickelite =3.84 gm/cc. Fermion Index = 0.0019019619 |
Boson Index = 0.9980980381 PEErnienickelite = 16.89 barns/electron |
U=PEErnienickelite x rElectron Density= 62.92 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Ernienickelite is Not Radioactive | Ernienickelite Classification07.08.02.04 (07)Multiple Oxides |
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(07.08)where A B (O)2·x(H2O) |
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(07.08.02)Chalcophanite Group |
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04.FL.20 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate |
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04.F - Hydroxides (without V or U) |
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04.FL -Hydroxides with H2O ± (OH); sheets of edge-sharing octahedra |
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| Other Ernienickelite InformationNAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8) |
Links to other databases for Ernienickelite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - Google Images 6 - Google Scholar 7 - Handbook of Mineralogy (MinSocAm) 8 - MinDAT 9 - MinMax(Deutsch) 10 - MinMax(English) 11 - Mineralienatlas (Deutsch) 12 - QUT Mineral Atlas 13 - Ruff.Info Search for Ernienickelite using: Visit our Advertisers for Ernienickelite : AA Mineral SpecimensB & L Fine Minerals Crystalarium.com Dan Weinrich Fine Minerals Dan Weinrich Auctions Dakota Matrix Desert Winds Gems and Minerals Excalibur Minerals Exceptional Minerals Fabre Minerals Heliodor John Betts Fine Minerals Mason's Minerals Mineral News Mineral of the Month Club Wrights Rock Shop Translate Ernienickelite Mineral Data : Ask about Ernienickelite here : Print or Cut-and-Paste your Ernienickelite Specimen Label here :
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