General Vayrynenite Information Chemical Formula: |
MnBe(PO4)(OH,F) |
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 |
Empirical Formula: |
Mn2+Be(PO4)(OH)0.75F0.25 |
Environment: |
Found in a pegmatite. |
IMA Status: |
Valid Species (Pre-IMA) 1954 |
Locality: |
Viitaniemi, Erajarvi, Finland. Link to MinDat.org Location Data. |
Name Origin: |
Named for Heikki Allan Vayrynen (1888-1956), mineralogist and geologist, Technical High School, Helsinki, Finland. |
Name Pronunciation: |
Vayrynenite + Pronunciation |
| | Vayrynenite Image
Images:
|
|
Vayrynenite Crystallography Axial Ratios: |
a:b:c =0.3734:1:0.3264 |
Cell Dimensions: |
a = 5.411, b = 14.49, c = 4.73, Z = 4; beta = 102.75° V = 361.71 Den(Calc)= 3.24 |
Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/a |
X Ray Diffraction: |
By Intensity(I/Io): 3.45(1), 2.89(0.85), 7.25(0.85), |
Crystal Structure:
|
Mouse
|
| Physical Properties of Vayrynenite Cleavage: |
{001} Good |
Color: |
Pink, Rose red. |
Density: |
3.183 - 3.215, Average = 3.19 |
Diaphaneity: |
Transparent |
Hardness: |
5 - Apatite |
Luster: |
Vitreous (Glassy) |
| Optical Properties of Vayrynenite 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 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 Electron Density: |
Bulk Density (Electron Density)=3.12 gm/cc |
note: Specific Gravity of Vayrynenite =3.24 gm/cc. Fermion Index: |
Fermion Index = 0.05 |
Boson Index = 0.95 Photoelectric: |
PEVayrynenite = 8.90 barns/electron |
U=PEVayrynenite x rElectron Density= 27.79 barns/cc. Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) |
Vayrynenite is Not Radioactive | Vayrynenite Classification Dana Class: |
41.05.04.03 (41)Anhydrous Phosphates, etc. Containing Hydroxyl or Halogen |
|
(41.05)where (A B)2 (XO4) Zq |
|
(41.05.04)Herderite Group |
|
|
|
|
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 |
|
| Other Vayrynenite Information References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
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 15 - WWW-MINCRYST Search for Vayrynenite using: Visit our Advertisers for Vayrynenite : A Bijoux Google Search for VayryneniteAdam's Minerals Google Search for Vayrynenite Cape Minerals Google Search for Vayrynenite Dakota Matrix Minerals Google Search for Vayrynenite Excalibur Mineral Corp. Google Search for Vayrynenite Exceptional Minerals Google Search for Vayrynenite John Betts Fine Minerals Search for Vayrynenite McDougall Minerals Google Search for Vayrynenite Mineral News Website Link Rock and Mineral Shows Google Search for Vayrynenite Weinrich Minerals, Inc. Google Search for Vayrynenite Ask about Vayrynenite here : Print or Cut-and-Paste your Vayrynenite Specimen Label here :
| |
|
| |