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 % 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:

Na_0.4K_0.1Mg_2.2Fe²⁺_0.4Al_1.1Si_3.2O₁₀(OH)_1.5F_0.5

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

Comments: Dark greenish black micaceous wonesite flake.
Location: Post Pond Volcanics, Wilmount Mountain, Mount Cube Quadrangle, Orange County, Vermont. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

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:

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Spear F S , Hazen R M , Rumble D , American Mineralogist , 66 (1981) p.100-105, Wonesite: A new rock-forming silicate from the Post Pond Volcanics, Vermont

View Additional jPOWD Structure files for Wonesite
[1]

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:

PE_Wonesite= 3.14 barns/electron
U=PE_Wonesite 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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Print or Cut-and-Paste your Wonesite Specimen Label here :

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: