Mineralogy Database

Vayrynenite Mineral Data

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General Vayrynenite Information

Help on Chemical  Formula: Chemical Formula: MnBe(PO4)(OH,F)
Help on Composition: Composition: Molecular Weight = 176.43 gm
   Manganese   31.14 %  Mn   40.21 % MnO
   Beryllium    5.11 %  Be   14.18 % BeO
   Phosphorus  17.56 %  P    40.23 % P2O5
   Hydrogen     0.43 %  H     3.83 % H2O
   Oxygen      43.08 %  O
   Fluorine     2.69 %  F     2.69 % F
                 -   %   F    -1.13 % -O=F2    
              ______        ______ 
              100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Mn2+Be(PO4)(OH)0.75F0.25
Help on Environment: Environment: Found in a pegmatite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1954
Help on Locality: Locality: Viitaniemi, Erajarvi, Finland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Heikki Allan Vayrynen (1888-1956), mineralogist and geologist, Technical High School, Helsinki, Finland.
Help on Name Pronunciation: Name Pronunciation: Vayrynenite + Pronunciation Say VAYRYNENITE

Vayrynenite Image

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Comments: Pink, massive väyrynenite.
Location: Viitaniemi pegmatite, Eräjärvi area, Orivesi, Etelä-Suomen Lääni, Finland. Scale: Picture size 5 mm.
© Thomas Witzke / Abraxas-Verlag

Vayrynenite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.3734:1:0.3264
Help on Cell Dimensions: Cell Dimensions: a = 5.411, b = 14.49, c = 4.73, Z = 4; beta = 102.75° V = 361.71 Den(Calc)= 3.24
Help on Crystal System: Crystal System: Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 21/a
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 3.45(1), 2.89(0.85), 7.25(0.85),

Physical Properties of Vayrynenite

Help on Cleavage: Cleavage: {001} Good
Help on Color: Color: Pink, Rose red.
Help on Density: Density: 3.183 - 3.215, Average = 3.19
Help on Diaphaneity: Diaphaneity: Transparent
Help on Hardness: Hardness: 5 - Apatite
Help on Luster: Luster: Vitreous (Glassy)

Optical Properties of Vayrynenite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.018 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.005 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2021,KPDmeas= 0.2047,KC= 0.2011
Ncalc = 1.64 - 1.65
Help on Optical Data: Optical Data: Biaxial (-), a=1.638-1.64, b=1.658-1.662, g=1.664-1.667, bire=0.0260-0.0270, 2V(Calc)=50-56, 2V(Meas)=54.13.

Calculated Properties of Vayrynenite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.12 gm/cc
note: Specific Gravity of Vayrynenite =3.24 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.05
Boson Index = 0.95
Help on Photoelectric: Photoelectric: PEVayrynenite = 8.90 barns/electron
U=PEVayrynenite x rElectron Density= 27.79 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Vayrynenite is Not Radioactive

Vayrynenite Classification

Help on  Dana Class: Dana Class: (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen
  (41.05)where (A B)2 (XO4) Zq
  (41.05.04)Herderite Group Herderite CaBe(PO4)F P 21/a 2/m Hydroxylherderite CaBe(PO4)(OH) P 21/a 2/m Vayrynenite MnBe(PO4)(OH,F) P 21/a 2/m Bergslagite CaBe(AsO4)(OH) P 21/c 2/m
Help on  Strunz Class: Strunz Class: 08.BA.05 08 - PHOSPHATES, ARSENATES, VANADATES
  08.B - Phosphates, etc. with Additional Anions, without H2O
  08.BA -With small and medium-sized cations
08.BA.05 Vayrynenite MnBe(PO4)(OH,F) P 21/a 2/m

Other Vayrynenite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Vayrynenite :
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.BA.05





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