Mineralogy Database

Viitaniemiite Mineral Data

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General Viitaniemiite Information

Help on Chemical  Formula: Chemical Formula: Na(Ca,Mn++)Al(PO4)(F,OH)3
Help on Composition: Composition: Molecular Weight = 241.11 gm
   Sodium       9.53 %  Na   12.85 % Na2O
   Calcium     14.96 %  Ca   20.93 % CaO
   Manganese    2.28 %  Mn    2.94 % MnO
   Aluminum    11.19 %  Al   21.14 % Al2O3
   Phosphorus  12.85 %  P    29.44 % P2O5
   Hydrogen     0.50 %  H     4.48 % H2O
   Oxygen      34.51 %  O
   Fluorine    14.18 %  F    14.18 % F
                 -   %   F    -5.97 % -O=F2    
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: NaCa0.9Mn2+0.1Al(PO4)F1.8(OH)1.2
Help on Environment: Environment: In cavities of a silicocarbonate sill found as inclusions in esosphorite.
Help on IMA Status: IMA Status: Approved IMA 1981
Help on Locality: Locality: Viitaniemi granite pegmatite, Erajarvi, Orivesi, Finland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the locality.
Help on Name Pronunciation: Name Pronunciation: Viitaniemiite + Pronunciation Say VIITANIEMIITE
Help on Synonym: Synonym: ICSD 40096
  PDF 33-1226

Viitaniemiite Image

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  Viitaniemiite   Roscherite

Comments: Colorless to pink viitaniemiite with brownish roscherite.
Location: Greifenstein Rocks, Ehrenfriedersdorf, Erzgebirge, Saxony, Germany. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Viitaniemiite Crystallography

Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.883(1), 2.937(0.5), 3.223(0.46),

Physical Properties of Viitaniemiite

Help on Color: Color: Colorless, Gray, Gray white, White.

Optical Properties of Viitaniemiite

Help on Gladstone-Dale: 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

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.10 gm/cc
note: Specific Gravity of Viitaniemiite =3.15 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.000368337
Boson Index = 0.999631663
Help on Photoelectric: Photoelectric: PEViitaniemiite = 3.60 barns/electron
U=PEViitaniemiite x rElectron Density= 11.17 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Viitaniemiite is Not Radioactive

Viitaniemiite Classification

Help on  Dana Class: Dana Class: (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
  (41.03)where (A B)3 (XO4) Zq
  (41.03.05)Dana Group Viitaniemiite Na(Ca,Mn)Al(PO4)(F,OH)3 P 21,P 21/m Mono
Help on  Strunz Class: 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

Help on See Also: 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

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Dana No: Strunz No: 08.BL.15