General Viitaniemiite Information Chemical Formula: |
Na(Ca,Mn++)Al(PO4)(F,OH)3 |
Composition: |
Molecular Weight = 241.11 gm |
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Sodium 9.53 % Na 12.85 % Na2O |
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Calcium 14.96 % Ca 20.93 % CaO |
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Manganese 2.28 % Mn 2.94 % MnO |
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Aluminum 11.19 % Al 21.14 % Al2O3 |
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Phosphorus 12.85 % P 29.44 % P2O5 |
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Hydrogen 0.50 % H 4.48 % H2O |
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Oxygen 34.51 % O |
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Fluorine 14.18 % F 14.18 % F |
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- %
F -5.97 % -O=F2 |
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______ ______ |
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100.00 % 100.00 % = TOTAL OXIDE |
Empirical Formula: |
NaCa0.9Mn2+0.1Al(PO4)F1.8(OH)1.2 |
Environment: |
In cavities of a silicocarbonate sill found as inclusions in esosphorite. |
IMA Status: |
Approved IMA 1981 |
Locality: |
Viitaniemi granite pegmatite, Erajarvi, Orivesi, Finland. Link to MinDat.org Location Data. |
Name Origin: |
Named for the locality. |
Name Pronunciation: |
Viitaniemiite + Pronunciation |
Synonym: |
ICSD 40096 |
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PDF 33-1226 |
| | Viitaniemiite Image
Images:
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Viitaniemiite Crystallography X Ray Diffraction: |
By Intensity(I/Io): 2.883(1), 2.937(0.5), 3.223(0.46), |
Crystal Structure:
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Mouse
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| Physical Properties of Viitaniemiite Color: |
Colorless, Gray, Gray white, White. |
| Optical Properties of Viitaniemiite Gladstone-Dale: |
CI meas= 0.076 (Fair) - where the CI = (1-KPDmeas/KC) |
CI calc= 0.087 (Poor) - where the CI = (1-KPDcalc/KC) KPDcalc= 0.1769,KPDmeas= 0.179,KC= 0.1937 Ncalc = 1.59 - 1.63 | Calculated Properties of Viitaniemiite Electron Density: |
Bulk Density (Electron Density)=3.10 gm/cc |
note: Specific Gravity of Viitaniemiite =3.15 gm/cc. Fermion Index: |
Fermion Index = 0.000368337 |
Boson Index = 0.999631663 Photoelectric: |
PEViitaniemiite = 3.60 barns/electron |
U=PEViitaniemiite x rElectron Density= 11.17 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Viitaniemiite is Not Radioactive | Viitaniemiite Classification Dana Class: |
41.03.05.01 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen |
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(41.03)where (A B)3 (XO4) Zq |
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(41.03.05)Dana Group |
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Strunz Class: |
08.BL.15 08 - PHOSPHATES, ARSENATES, VANADATES |
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08.B - Phosphates, etc. with Additional Anions, without H2O |
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08.BL -With medium-sized and large cations, (OH, etc.):RO4 = 3:1 |
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| Other Viitaniemiite Information See Also: |
Links to other databases for Viitaniemiite : |
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 15 - WWW-MINCRYST Search for Viitaniemiite using: Visit our Advertisers for Viitaniemiite : A Bijoux Google Search for ViitaniemiiteAdam's Minerals Google Search for Viitaniemiite Cape Minerals Google Search for Viitaniemiite Dakota Matrix Minerals Google Search for Viitaniemiite Excalibur Mineral Corp. Google Search for Viitaniemiite Exceptional Minerals Google Search for Viitaniemiite John Betts Fine Minerals Search for Viitaniemiite McDougall Minerals Google Search for Viitaniemiite Mineral News Website Link Rock and Mineral Shows Google Search for Viitaniemiite Weinrich Minerals, Inc. Google Search for Viitaniemiite Ask about Viitaniemiite here : Print or Cut-and-Paste your Viitaniemiite Specimen Label here :
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