Baileychlore Mineral Data

General Baileychlore Information

Chemical Formula:

(Zn,Al,[ ])3[Fe++2Al][Si3AlO10](OH)8

Composition:

Molecular Weight = 709.44 gm

Aluminum 7.61 % Al 14.37 % Al₂O₃

Zinc 23.04 % Zn 28.68 % ZnO

Iron 15.74 % Fe 22.51 % Fe₂O₃

Silicon 11.88 % Si 25.41 % SiO₂

Hydrogen 1.14 % H 10.16 % H₂O

Oxygen 40.59 % O

______ ______

100.00 % 101.13 % = TOTAL OXIDE

Empirical Formula:

Zn_2.5Fe³⁺₂Al₂Si₃O₁₀(OH)₈

IMA Status:

Approved IMA 1988

Locality:

Red Dome deposit, Mungana, 15 km WNW of Chillagoe, Lynd County, Queensland, Australia. Link to MinDat.org Location Data.

Name Origin:

Named for Sturges W. Bailey (1919-), mineralogist University of Wisconsin.

Name Pronunciation:

Baileychlore + Pronunciation

Baileychlore Crystallography

Axial Ratios:

a:b:c =0.5775:1:1.5557

Cell Dimensions:

a = 5.346, b = 9.257, c = 14.402, Z = 2; alpha = 90°, beta = 97.12°, gamma = 90° V = 707.23 Den(Calc)= 3.33

Crystal System:

Triclinic Space Group: C1,C1

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 7.14(1), 14.3(0.9), 1.542(0.6),

Physical Properties of Baileychlore

Cleavage:

{001} Perfect

Color:

Yellow green, Dark green.

Density:

3.18

Diaphaneity:

Transparent

Hardness:

2.5-3 - Finger Nail-Calcite

Luster:

Pearly

Streak:

light green

Optical Properties of Baileychlore

Gladstone-Dale:

CI meas= 0.194 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.23 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1796,KPDmeas= 0.1881,KC= 0.2334
Ncalc = 1.74 - 1.78

Optical Data:

Biaxial (?), a=1.582, g=1.614, bire=0.0320

Pleochroism (x):

green.

Pleochroism (y):

yellow green.

Pleochroism (z):

yellow green.

Calculated Properties of Baileychlore

Electron Density:

Bulk Density (Electron Density)=3.11 gm/cc
note: Specific Gravity of Baileychlore =3.18 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_Baileychlore= 16.66 barns/electron
U=PE_Baileychlore x rElectron Density= 51.83 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Baileychlore is Not Radioactive

Baileychlore Classification

Dana Class:

71.04.01.06 (71)Phyllosilicate Sheets of Six-Membered Rings

(71.04)interlayered 1:1, 2:1, and octahedra

(71.04.01)Chlorite group (Tri-Dioctahedral)

71.04.01.01 Donbassite Al2[Al2.33][Si3AlO10](OH)8 C 2/m 2/m

71.04.01.02 Cookeite LiAl4(Si3Al)O10(OH)8 P 2₁/a 2/m

71.04.01.03 Sudoite Mg2(Al,Fe)3Si3AlO10(OH)8 C 2/m 2/m

71.04.01.04 Clinochlore (Mg,Fe)5Al(Si3Al)O10(OH)8 C 2/m 2/m

71.04.01.05 Nimite (Ni,Mg,Fe)5Al(Si3Al)O10(OH)8 C 2/m 2/m

71.04.01.06 Baileychlore (Zn,Al,[])3[Fe2Al][Si3AlO10](OH)8 C1,C1 Tri

71.04.01.07 Chamosite (Fe,Mg,Fe)5Al(Si3Al)O10(OH,O)8 C 2/m 2/m

71.04.01.08 Pennantite Mn5Al(Si3Al)O10(OH)8 C 2/m 2/m

71.04.01.09 Orthochamosite! (Fe,Mg,Fe)5Al(Si3Al)O10(OH,O)8 C3m-pseudoHEX Ortho

71.04.01.10 Borocookeite! Li(13x)Al(4-x)(BSi3)O10(OH,F)8[x=0-0.33] pseudo C 2/m 2/m

Strunz Class:

09.EC.55 09 - SILICATES (Germanates)

09.E - Phyllosilicates

09.EC -Phyllosilicates with mica sheets, composed of tetrahedral and octahedral nets

09.EC.55 Donbassite Al2[Al2.33][Si3AlO10](OH)8 C 2/m 2/m

09.EC.55 Baileychlore (Zn,Al,[])3[Fe2Al][Si3AlO10](OH)8 C1,C1 Tri

09.EC.55 Clinochlore (Mg,Fe)5Al(Si3Al)O10(OH)8 C 2/m 2/m

09.EC.55 Cookeite LiAl4(Si3Al)O10(OH)8 P 2₁/a 2/m

09.EC.55 Chamosite (Fe,Mg,Fe)5Al(Si3Al)O10(OH,O)8 C 2/m 2/m

09.EC.55 Franklinfurnaceite Ca2(Fe,Al)MnMn3Zn2Si2O10(OH)8 C 2 2

09.EC.55 Nimite (Ni,Mg,Fe)5Al(Si3Al)O10(OH)8 C 2/m 2/m

09.EC.55 Gonyerite Mn3[Mn3Fe][(Si,Fe)4O10](OH,O)8 pseudo-HEX Ortho

09.EC.55 Odinite (Fe,Mg,Al,Fe,Ti,Mn)2.5(Si,Al)2O5(OH)4 Cm m

09.EC.55 Orthochamosite (Fe,Mg,Fe)5Al(Si3Al)O10(OH,O)8 C3m-pseudoHEX Ortho

09.EC.55 Pennantite Mn5Al(Si3Al)O10(OH)8 C 2/m 2/m

09.EC.55 Sudoite Mg2(Al,Fe)3Si3AlO10(OH)8 C 2/m 2/m

09.EC.55 Glagolevite! NaMg6[Si3AlO10](OH,O)8•H2O C1 1

09.EC.55 Borocookeite! Li(13x)Al(4-x)(BSi3)O10(OH,F)8[x=0-0.33] pseudo C 2/m 2/m

Other Baileychlore Information

References:

NAME( Dana8) PHYS. PROP.(Dana8) OPTIC PROP.(Dana8)

See Also:

Links to other databases for Baileychlore :
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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Baileychlore

(Zn,Al,[ ])3[Fe++2Al][Si3AlO10](OH)8
Dana No: 71.04.01.06 Strunz No: 09.EC.55
Locality:

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