General Manganbelyankinite Information Chemical Formula: |
(Mn,Ca)(Ti,Nb)5O12•9(H2O) |
Composition: |
Molecular Weight = 723.53 gm |
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Calcium 3.88 % Ca 5.43 % CaO |
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Titanium 27.79 % Ti 46.37 % TiO2 |
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Manganese 9.11 % Mn 11.77 % MnO |
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Niobium 10.27 % Nb 14.70 % Nb2O5 |
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Hydrogen 2.51 % H 22.41 % H2O |
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Oxygen 46.44 % O |
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______ ______ |
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100.00 % 100.66 % = TOTAL OXIDE |
Empirical Formula: |
Mn2+1.2Ca0.7Ti4.2Nb0.8O12•9(H2O) |
Environment: |
In a pegmatite. |
IMA Status: |
Valid Species (Pre-IMA) 1957 |
Locality: |
On mts., Kedykrverpakh and Punkaruaiv, Lovozero Massif, Kola Peninsula, Russia. Link to MinDat.org Location Data. |
Name Origin: |
Presumably for its MANGANese content and relationship to belyankinite. |
Name Pronunciation: |
Manganbelyankinite + Pronunciation |
| | Manganbelyankinite Image
Images:
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Manganbelyankinite Crystallography Crystal System: |
Amorphous- No Crystals |
X Ray Diffraction: |
By Intensity(I/Io): 1.692(0.4), 2.48(0.3), 3.21(0.2),2.89(0.2), 2.17(0.1), 1.88(0.1), |
| Physical Properties of Manganbelyankinite Cleavage: |
{???} Perfect |
Color: |
Brownish black, Pink brown. |
Density: |
2.4 - 2.5, Average = 2.45 |
Diaphaneity: |
Translucent to Opaque |
Habit: |
Amorphous - No crystalline form or imitative shape. |
Habit: |
Massive - Uniformly indistinguishable crystals forming large masses. |
Habit: |
Metamict - Mineral originally crystalline, now amorphous due to radiation damage. |
Hardness: |
2-2.5 - Gypsum-Finger Nail |
Luster: |
Vitreous - Greasy |
Streak: |
light brown |
| Optical Properties of Manganbelyankinite Gladstone-Dale: |
CI meas= 0.03 (Excellent) - where the CI = (1-KPDmeas/KC) |
KPDmeas= 0.3224,KC= 0.3324 Ncalc = 1.8 - 1.83 Optical Data: |
Isotropic, n=1.78-1.8. |
| Calculated Properties of Manganbelyankinite Electron Density: |
Bulk Density (Electron Density)=2.41 gm/cc |
note: Specific Gravity of Manganbelyankinite =2.45 gm/cc. Fermion Index: |
Fermion Index = 0.03 |
Boson Index = 0.97 Photoelectric: |
PEManganbelyankinite = 22.16 barns/electron |
U=PEManganbelyankinite x rElectron Density= 53.30 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Manganbelyankinite is Not Radioactive | Manganbelyankinite Classification Dana Class: |
08.07.08.02 (08)Multiple Oxides with Nb, Ta, and Ti |
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(08.07)Dana Type |
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(08.07.08)Belyankinite Group |
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Strunz Class: |
04.FM.25 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.FM -Hydroxides with H2O ± (OH); Unclassified |
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| Other Manganbelyankinite Information References: |
NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
See Also: |
Links to other databases for Manganbelyankinite : |
1 - Am. Min. Crystal Structure Database 2 - Athena 3 - EUROmin Project 4 - Ecole des Mines de Paris 5 - GeoScienceWorld 6 - Google Images 7 - Google Scholar 8 - Handbook of Mineralogy (MinSocAm) 9 - Handbook of Mineralogy (UofA) 10 - MinDAT 11 - Mineralienatlas (Deutsch) 12 - Online Mineral Museum 13 - QUT Mineral Atlas 14 - Ruff.Info Search for Manganbelyankinite using: Visit our Advertisers for Manganbelyankinite : A Bijoux Google Search for ManganbelyankiniteAdam's Minerals Google Search for Manganbelyankinite Cape Minerals Google Search for Manganbelyankinite Dakota Matrix Minerals Google Search for Manganbelyankinite Excalibur Mineral Corp. Google Search for Manganbelyankinite Exceptional Minerals Google Search for Manganbelyankinite John Betts Fine Minerals Search for Manganbelyankinite McDougall Minerals Google Search for Manganbelyankinite Mineral News Website Link Rock and Mineral Shows Google Search for Manganbelyankinite Weinrich Minerals, Inc. Google Search for Manganbelyankinite Ask about Manganbelyankinite here : Print or Cut-and-Paste your Manganbelyankinite Specimen Label here :
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