[Fine Minerals] [What's New] [Mineral Galleries] [My Collection] [Mineral Auctions] Dan Weinrich Fine Minerals Full-time professional mineral dealer with over 31 years experience in mineral collecting And 15 years selling mineral specimens on the internet and at major mineral shows General Magnesionigerite-6N6S Information(Mg,Zn,Fe+++,Al)4(Sn,Fe+++)2Al10O22(OH)2 |
Molecular Weight = 964.03 gm |
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Magnesium 4.79 % Mg 7.94 % MgO |
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Aluminum 29.95 % Al 56.58 % Al2O3 |
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Zinc 4.07 % Zn 5.07 % ZnO |
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Iron 5.79 % Fe 1.49 % FeO / 6.63 % Fe2O3 |
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Silicon 0.58 % Si 1.25 % SiO2 |
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Tin 14.78 % Sn 18.76 % SnO2 |
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Hydrogen 0.21 % H 1.87 % H2O |
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Oxygen 39.83 % O |
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100.00 % 99.59 % = TOTAL OXIDE |
Mg1.9Zn0.6AlSi0.2Fe2+0.2Sn1.2Fe3+0.8Al9.7O22(OH)2 |
The Mg-analog of nigerite. High temperature metasomatic tungsten ore. Fomerly named Pengzhizhongite-24R for Peng Zhizhong, late Chinese mineralogist. |
Approved IMA 2002 (Dana # Added) |
Anhua area, Hunan, China. Link to MinDat.org Location Data. |
Named as the MAGNESIum analog of Ferronigerite. (S=Spinel, N=Nolanite Layers). |
IMA2001-A |
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Pengzhizhongite-24R |
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| | Magnesionigerite-6N6S Crystallographya:c = 1:2.42094 |
a = 5.692, c = 13.78, Z = 1; V = 386.64 Den(Calc)= 4.14 |
TrigonalSpace Group: Unk |
By Intensity(I/Io): 2.423(1), 2.846(0.9), 1.414(0.5), |
| Physical Properties of Magnesionigerite-6N6SBrown, Light yellow, Colorless. |
4.22 |
Transparent |
Microscopic Crystals - Crystals visible only with microscopes. |
Tabular - Form dimensions are thin in one direction. |
8-8.5 - Between Topaz and Chrysoberyl |
Vitreous (Glassy) |
white |
| Optical Properties of Magnesionigerite-6N6SCI meas= 0.045 (Good) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.026 (Excellent) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1952,KPDmeas= 0.1915,KC= 0.2005 Ncalc = 1.83 - 1.85 Uniaxial (+), w=1.802, e=1.814, bire=0.0120. |
| Calculated Properties of Magnesionigerite-6N6SBulk Density (Electron Density)=3.97 gm/cc |
note: Specific Gravity of Magnesionigerite-6N6S =4.14 gm/cc. Fermion Index = 0.03 |
Boson Index = 0.97 PEMagnesionigerite-6N6S = 47.21 barns/electron |
U=PEMagnesionigerite-6N6S x rElectron Density= 187.60 barns/cc. GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Magnesionigerite-6N6S is Not Radioactive | Magnesionigerite-6N6S Classification07.11.09.02 (07)Multiple Oxides |
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(07.11)as titano-oxides with [4] and [6] substitutions |
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(07.11.09)Nigerite Group (Sn>Ti) |
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04.FC.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.FC -Hydroxides with OH, without H2O; corner-sharing octahedra |
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| Other Magnesionigerite-6N6S InformationNAME( Dana8) PHYS. PROP.(Am.Min.,Vol.76,p1728,1991) OPTIC PROP.(Am.Min.,Vol.76,p1728,1991) |
Links to other databases for Magnesionigerite-6N6S : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - Google Images 4 - Google Scholar 5 - MinDAT 6 - MinMax(Deutsch) 7 - MinMax(English) 8 - Mineralienatlas (Deutsch) 9 - QUT Mineral Atlas 10 - Ruff.Info Search for Magnesionigerite-6N6S using: Visit our Advertisers for Magnesionigerite-6N6S : 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 Magnesionigerite-6N6S Mineral Data : Ask about Magnesionigerite-6N6S here : Print or Cut-and-Paste your Magnesionigerite-6N6S Specimen Label here :
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