Wonesite Mineral Data
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 % K2 O
Sodium 2.28 % Na 3.07 % Na2 O
Magnesium 13.25 % Mg 21.98 % MgO
Aluminum 7.36 % Al 13.90 % Al2 O3
Iron 5.54 % Fe 7.12 % FeO
Silicon 22.27 % Si 47.65 % SiO2
Hydrogen 0.37 % H 3.35 % H2 O
Oxygen 45.60 % O
Fluorine 2.35 % F 2.35 % F
- %
F -0.99 % -O=F2
______ ______
100.00 % 99.60 % = TOTAL OXIDE
Empirical Formula:
Na0.4 K0.1 Mg2.2 Fe2+ 0.4 Al1.1 Si3.2 O10 (OH)1.5 F0.5
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 - Prismatic H-M Symbol (2/m) Space Group: C 2/m
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/electronU=PEWonesite x r electron = 8.98 barns/cc.
Radioactivity:
GRapi = 13.89 (Gamma Ray American Petroleum Institute Units)
Concentration of Wonesite per GRapi unit = 7.20 (%)
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)
71.02.02b.01 Phlogopite KMg3(Si3Al)O10(F,OH)2 C 2/m 2/m
71.02.02b.01a Tetraferriphlogopite ! KMg3FeSi3O10(OH)2 2/m
71.02.02b.01b Shirozulite ! KMn3(AlSi3)O10(OH,F)2 C 2/m 2/m
71.02.02b.01c Fluorophlogopite ! KMg3(AlSi3)O10F2 C 2/m 2/m
71.02.02b.02 Biotite * K(Mg,Fe)3[AlSi3O10(OH,F)2 C 2/m 2/m
71.02.02b.03 Annite KFe3AlSi3O10(OH,F)2 C 2/m 2/m
71.02.02b.03a Fluorannite ! KFe3AlSi3O10F2 C 2/m 2/m
71.02.02b.04 Tetraferriannite K(Fe,Mg)3(Fe,Al)Si3O10(OH)2 C 2/m 2/m
71.02.02b.05 Siderophyllite KFe2Al(Al2Si2)O10(F,OH)2 C 2/m 2/m
71.02.02b.05a Eastonite ! KMg2Al[Al2Si2O10](OH)2 2/m
71.02.02b.06 Hendricksite K(Zn,Mg,Mn)3Si3AlO10(OH)2 C 2/m 2/m
71.02.02b.07 Lepidolite K(Li,Al)3(Si,Al)4O10(F,OH)2 C 2/m,Cm Mono
71.02.02b.08 Polylithionite KLi2AlSi4O10(F,OH)2 C 2/m 2/m
71.02.02b.08a Trilithionite ! KLi1.5Al1.5AlSi3O10F2 C 2/m 2/m
71.02.02b.08b Sokolovaite ! CsLi2AlSi4O10F2 C 2/m, C 2 or Cm Mono
71.02.02b.09 Tainiolite KLiMg2Si4O10F2 C 2/m 2/m
71.02.02b.10 Zinnwaldite KLiFeAl(AlSi3)O10(F,OH)2 C 2/m 2/m
71.02.02b.11 Norrishite K(Mn2Li)Si4O10(O)2 C 2/m 2/m
71.02.02b.12 Masutomilite K(Li,Al,Mn)3[(Si,Al)4O10](F,OH)2 C 2/m 2/m
71.02.02b.13 Aspidolite NaMg3AlSi3O10(OH)2 C 2/m 2/m
71.02.02b.14 Wonesite (Na,K).5(Mg,Fe,Al)3(Si,Al)4O10(OH,F)2 C 2/m 2/m
71.02.02b.15 Preiswerkite NaMg2Al3Si2O10(OH)2 C 2/m 2/m
71.02.02b.16 Ephesite NaLiAl2(Al2Si2)O10(OH)2 C 2/c 2/m
71.02.02b.18 Suhailite ! (NH4)Fe3(Si3Al)O10(OH)2 C 2/m? 2/m
Strunz Class:
09.EC.20 09 - SILICATES (Germanates)
09.E - Phyllosilicates
09.EC -Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets
09.EC.20 Annite KFe3AlSi3O10(OH,F)2 C 2/m 2/m
09.EC.20 Biotite * K(Mg,Fe)3[AlSi3O10(OH,F)2 C 2/m 2/m
09.EC.20 Hendricksite K(Zn,Mg,Mn)3Si3AlO10(OH)2 C 2/m 2/m
09.EC.20 Ephesite NaLiAl2(Al2Si2)O10(OH)2 C 2/c 2/m
09.EC.20 Aspidolite NaMg3AlSi3O10(OH)2 C 2/m 2/m
09.EC.20 Lepidolite K(Li,Al)3(Si,Al)4O10(F,OH)2 C 2/m,Cm Mono
09.EC.20 Preiswerkite NaMg2Al3Si2O10(OH)2 C 2/m 2/m
09.EC.20 Masutomilite K(Li,Al,Mn)3[(Si,Al)4O10](F,OH)2 C 2/m 2/m
09.EC.20 Wonesite (Na,K).5(Mg,Fe,Al)3(Si,Al)4O10(OH,F)2 C 2/m 2/m
09.EC.20 Polylithionite KLi2AlSi4O10(F,OH)2 C 2/m 2/m
09.EC.20 Phlogopite KMg3(Si3Al)O10(F,OH)2 C 2/m 2/m
09.EC.20 Norrishite K(Mn2Li)Si4O10(O)2 C 2/m 2/m
09.EC.20 Siderophyllite KFe2Al(Al2Si2)O10(F,OH)2 C 2/m 2/m
09.EC.20 Fluorannite ! KFe3AlSi3O10F2 C 2/m 2/m
09.EC.20 Shirokshinite ! K(NaMg2)Si4O10F2 C 2/m 2/m
09.EC.20 Zinnwaldite KLiFeAl(AlSi3)O10(F,OH)2 C 2/m 2/m
09.EC.20 Eastonite ! KMg2Al[Al2Si2O10](OH)2 2/m
09.EC.20 Tetraferriannite K(Fe,Mg)3(Fe,Al)Si3O10(OH)2 C 2/m 2/m
09.EC.20 Tetraferriphlogopite ! KMg3FeSi3O10(OH)2 2/m
09.EC.20 Trilithionite ! KLi1.5Al1.5AlSi3O10F2 C 2/m 2/m
09.EC.20 Sokolovaite ! CsLi2AlSi4O10F2 C 2/m, C 2 or Cm Mono
09.EC.20 Shirozulite ! KMn3(AlSi3)O10(OH,F)2 C 2/m 2/m
09.EC.20 Suhailite ! (NH4)Fe3(Si3Al)O10(OH)2 C 2/m? 2/m
09.EC.20 Fluorophlogopite ! KMg3(AlSi3)O10F2 C 2/m 2/m
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
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Wonesite
(Na,K).5(Mg,Fe,Al)3(Si,Al)4O10(OH,F)2
Dana No: 71.02.02b.14 Strunz No: 09.EC.20
Locality:
Notes:
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