General Wonesite Information Chemical Formula: |
(Na,K).5(Mg,Fe,Al)3(Si,Al)4O10(OH,F)2 |
Composition: |
Molecular Weight = 403.47 gm |
|
Potassium 0.97 % K 1.17 % K2O |
|
Sodium 2.28 % Na 3.07 % Na2O |
|
Magnesium 13.25 % Mg 21.98 % MgO |
|
Aluminum 7.36 % Al 13.90 % Al2O3 |
|
Iron 5.54 % Fe 7.12 % FeO |
|
Silicon 22.27 % Si 47.65 % SiO2 |
|
Hydrogen 0.37 % H 3.35 % H2O |
|
Oxygen 45.60 % O |
|
Fluorine 2.35 % F 2.35 % F |
|
- %
F -0.99 % -O=F2 |
|
______ ______ |
|
100.00 % 99.60 % = TOTAL OXIDE |
Empirical Formula: |
Na0.4K0.1Mg2.2Fe2+0.4Al1.1Si3.2O10(OH)1.5F0.5 |
Environment: |
In metavolcanics with high Mg:Fe, moderate sodium, and very little calcium, metamorphosed at an estimated 535 deg. C. |
IMA Status: |
Approved IMA 1981 |
Locality: |
From Norwich, Windsor Co., Vermont, and elsewhere in the Post Pond Volcanics, southwest corner of the Mt. Cube quadrangle, New Hampshire and Vermont, USA. Link to MinDat.org Location Data. |
Name Origin: |
Named for petrologist David R. Wones (1932-1984), Professor of Geology, Virginia Polytechnic Institute and State University, Blacksburg, Virginia, USA. |
Name Pronunciation: |
Wonesite |
Synonym: |
Natriumphlogopite |
|
Sodiumphlogopite |
| | Wonesite Image
Images:
|
|
Wonesite Crystallography Axial Ratios: |
a:b:c =0.5797:1:1.0722 |
Cell Dimensions: |
a = 5.312, b = 9.163, c = 9.825, Z = 2; beta = 103.18° V = 465.62 Den(Calc)= 2.88 |
Crystal System: |
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m |
Crystal Structure:
|
Mouse
|
| Physical Properties of Wonesite Cleavage: |
{001} Perfect |
Color: |
Yellow brown, Dark brown. |
Diaphaneity: |
Transparent to Translucent |
Fracture: |
Micaceous - Fracture of flexable micaceous cleavage fragments. |
Habit: |
Flakes - Flat, thin crystals or aggregates. |
Hardness: |
2.5-3 - Finger Nail-Calcite |
Luster: |
Vitreous (Glassy) |
Streak: |
white |
| Optical Properties of Wonesite Gladstone-Dale: |
CI calc= 0.01 (Superior) - where the CI = (1-KPDcalc/KC) |
KPDcalc= 0.2037,KC= 0.2059 Ncalc = 1.59 Optical Data: |
Biaxial (-), a=1.544, b=1.608, g=1.608, bire=0.0640, 2V(Calc)=0, 2V(Meas)=0-5. |
| Calculated Properties of Wonesite Electron Density: |
Bulk Density (Electron Density)=2.86 gm/cc |
note: Specific Gravity of Wonesite =2.88 gm/cc. Fermion Index: |
Fermion Index = 0.02 |
Boson Index = 0.98 Photoelectric: |
PEWonesite = 3.14 barns/electron |
U=PEWonesite x relectron= 8.98 barns/cc. Radioactivity: |
|
GRapi = 13.89 (Gamma Ray American Petroleum Institute Units)
Estimated Radioactivity from Wonesite - barely detectable | Wonesite Classification Dana Class: |
71.02.02b.14 (71)Phyllosilicate Sheets of Six-Membered Rings |
|
(71.02)with 2:1 Layers |
|
(71.02.02b)Mica Group (Biotite subgroup) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Strunz Class: |
09.EC.20 09 - SILICATES (Germanates) |
|
09.E - Phyllosilicates |
|
09.EC -Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Other Wonesite Information References: |
NAME( AntBidBlaNic2) PHYS. PROP.(AntBidBlaNic2) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990) |
See Also: |
Links to other databases for Wonesite : |
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 Wonesite using: Visit our Advertisers for Wonesite : A Bijoux Google Search for WonesiteAdam's Minerals Google Search for Wonesite Cape Minerals Google Search for Wonesite Dakota Matrix Minerals Google Search for Wonesite Excalibur Mineral Corp. Google Search for Wonesite Exceptional Minerals Google Search for Wonesite John Betts Fine Minerals Search for Wonesite McDougall Minerals Google Search for Wonesite Mineral News Website Link Rock and Mineral Shows Google Search for Wonesite Weinrich Minerals, Inc. Google Search for Wonesite Ask about Wonesite here : Print or Cut-and-Paste your Wonesite Specimen Label here :
| |
|
| |