Viitaniemiite Mineral Data
General Viitaniemiite Information
Chemical Formula:
Na(Ca,Mn++)Al(PO4)(F,OH)3
Composition:
Molecular Weight = 241.11 gm
Sodium 9.53 % Na 12.85 % Na2 O
Calcium 14.96 % Ca 20.93 % CaO
Manganese 2.28 % Mn 2.94 % MnO
Aluminum 11.19 % Al 21.14 % Al2 O3
Phosphorus 12.85 % P 29.44 % P2 O5
Hydrogen 0.50 % H 4.48 % H2 O
Oxygen 34.51 % O
Fluorine 14.18 % F 14.18 % F
- %
F -5.97 % -O=F2
______ ______
100.00 % 100.00 % = TOTAL OXIDE
Empirical Formula:
NaCa0.9 Mn2+ 0.1 Al(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
PDF 33-1226
Viitaniemiite Image
Images:
Viitaniemiite Crystallography
X Ray Diffraction:
By Intensity(I/Io ): 2.883(1), 2.937(0.5), 3.223(0.46),
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/electronU=PEViitaniemiite x r Electron 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
(41.03) where (A B)3 (XO4) Zq
(41.03.05) Dana Group
41.03.05.01 Viitaniemiite Na(Ca,Mn)Al(PO4)(F,OH)3 P 21 ,P 21 /m Mono
Strunz Class:
08.BL.15 08 - PHOSPHATES, ARSENATES, VANADATES
08.B - Phosphates, etc. with Additional Anions, without H2O
08.BL -With medium-sized and large cations, (OH, etc.):RO4 = 3:1
08.BL.15 Viitaniemiite Na(Ca,Mn)Al(PO4)(F,OH)3 P 21 ,P 21 /m Mono
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
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Print or Cut-and-Paste your Viitaniemiite Specimen Label here :
Viitaniemiite
Na(Ca,Mn++)Al(PO4)(F,OH)3
Dana No: 41.03.05.01 Strunz No: 08.BL.15
Locality:
Notes: