Sudoite Mineral Data (original) (raw)
General Sudoite Information
Chemical Formula:
Mg2(Al,Fe+++)3Si3AlO10(OH)8
Composition:
Molecular Weight = 546.77 gm
Magnesium 8.45 % Mg 14.01 % MgO
Aluminum 19.25 % Al 36.36 % Al2O3
Iron 3.06 % Fe 1.31 % FeO / 2.92 % Fe2O3
Silicon 15.41 % Si 32.97 % SiO2
Hydrogen 1.46 % H 13.01 % H2O
Oxygen 52.38 % O
______ ______
100.00 % 100.59 % = TOTAL OXIDE
Empirical Formula:
Mg1.9Fe2+0.1Al2.9Fe3+0.2Si3AlO10(OH)7.9
Environment:
Disseminated in hematite ore.
IMA Status:
Approved IMA 1962
Locality:
Hanaoka and Kamakita mines, Aonori Prefecture; Japan. Link to MinDat.org Location Data.
Name Origin:
Named for Toshio Sudo (1911-), University of Tokyo, Japan.
Name Pronunciation:
Sudoite 
Sudoite Image
Images:
Sudoite Crystallography
Axial Ratios:
a:b:c =0.5773:1:1.5749
Cell Dimensions:
a = 5.237, b = 9.07, c = 14.285, Z = 2; beta = 97.02° V = 673.45 Den(Calc)= 2.70
Crystal System:
Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m
X Ray Diffraction:
By Intensity(I/Io): 2.501(1), 4.52(0.85), 14.2(0.8),
Crystal Structure:
Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
Help on Above
| | Eggleton R A , Bailey S W , American Mineralogist , 52 (1967) p.673-689, Structural aspects of dioctahedral chlorite | | ----------------------------------------------------------------------------------------------------------------------- |
Physical Properties of Sudoite
Cleavage:
{100} Perfect
Color:
White.
Density:
2.63 - 2.68, Average = 2.65
Diaphaneity:
Translucent
Habit:
Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Hardness:
2.5-3.5 - Finger Nail-Copper Penny
Luster:
Pearly
Streak:
white
Optical Properties of Sudoite
Gladstone-Dale:
CI meas= 0.027 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.044 (Good) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2178,KPDmeas= 0.2215,KC= 0.2278
Ncalc = 1.6 - 1.61
Optical Data:
Biaxial (-), a=1.581-1.583, b=1.584-1.589, g=1.591-1.601, bire=0.0100-0.0180, 2V(Calc)=68-72, 2V(Meas)=64-70.
Calculated Properties of Sudoite
Electron Density:
Bulk Density (Electron Density)=2.66 gm/cc
note: Specific Gravity of Sudoite =2.66 gm/cc.
Fermion Index:
Fermion Index = 0.01
Boson Index = 0.99
Photoelectric:
PESudoite = 2.26 barns/electron
U=PESudoite x rElectron Density= 6.02 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Sudoite is Not Radioactive
Sudoite Classification
Dana Class:
71.04.01.03 (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 Sudoite Information
References:
NAME( AntBidBlaNic2) PHYS. PROP.(AntBidBlaNic2) OPTIC PROP.(AntBidBlaNic2)
See Also:
Links to other databases for Sudoite :
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
Search for Sudoite using:
[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]
Visit our Advertisers for Sudoite :
A Bijoux Google Search for Sudoite
Adam's Minerals Google Search for Sudoite
Cape Minerals Google Search for Sudoite
Dakota Matrix Minerals Google Search for Sudoite
Excalibur Mineral Corp. Google Search for Sudoite
Exceptional Minerals Google Search for Sudoite
John Betts Fine Minerals Search for Sudoite
McDougall Minerals Google Search for Sudoite
Mineral News Website Link
Rock and Mineral Shows Google Search for Sudoite
Weinrich Minerals, Inc. Google Search for Sudoite
Ask about Sudoite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espa�ol
Print or Cut-and-Paste your Sudoite Specimen Label here :
Sudoite
Mg2(Al,Fe+++)3Si3AlO10(OH)8
Dana No: 71.04.01.03 Strunz No: 09.EC.55
Locality:
Notes: