Sudoite Mineral Data

Sudoite Mineral Data
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General Sudoite Information

Help on Chemical Formula: Chemical Formula: Mg2(Al,Fe+++)3Si3AlO10(OH)8
Help on Composition: 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
Help on Empirical Formula: Empirical Formula: Mg1.9Fe2+0.1Al2.9Fe3+0.2Si3AlO10(OH)7.9
Help on Environment: Environment: Disseminated in hematite ore.
Help on IMA Status: IMA Status: Approved IMA 1962
Help on Locality: Locality: Hanaoka and Kamakita mines, Aonori Prefecture; Japan. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Toshio Sudo (1911-), University of Tokyo, Japan.
Help on Name Pronunciation: Name Pronunciation: Sudoite Say SUDOITE
 

Sudoite Image

Click Here for Larger Sudoite Image in a New Browser Window Images:
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Sudoite   Manganite

Comments: Pinkish to nearly white earthy sudoite with dark manganite.
Location: Ilfeld, Nordhausen, Erfurt district, Harz Mts, Thuringia, Germany. Scale: Picture size 4 mm.
© Thomas Witzke / Abraxas-Verlag

Sudoite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.5773:1:1.5749
Help on Cell Dimensions: Cell Dimensions: a = 5.237, b = 9.07, c = 14.285, Z = 2; beta = 97.02° V = 673.45 Den(Calc)= 2.70
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.501(1), 4.52(0.85), 14.2(0.8),
Click Here for Large Sudoite Structure Window Crystal Structure:

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Eggleton R A , Bailey S W , American Mineralogist , 52 (1967) p.673-689, Structural aspects of dioctahedral chlorite

 

Physical Properties of Sudoite

Help on Cleavage: Cleavage: {100} Perfect
Help on Color: Color: White.
Help on Density: Density: 2.63 - 2.68, Average = 2.65
Help on Diaphaneity: Diaphaneity: Translucent
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Hardness: Hardness: 2.5-3.5 - Finger Nail-Copper Penny
Help on Luster: Luster: Pearly
Help on Streak: Streak: white
 

Optical Properties of Sudoite

Help on Gladstone-Dale: 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
Help on Optical Data: 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

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.66 gm/cc
note: Specific Gravity of Sudoite =2.66 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PESudoite = 2.26 barns/electron
U=PESudoite x rElectron Density= 6.02 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Sudoite is Not Radioactive
 

Sudoite Classification
Help on Dana Class: 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
Help on Strunz Class: 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
Help on References: References: NAME( AntBidBlaNic2) PHYS. PROP.(AntBidBlaNic2) OPTIC PROP.(AntBidBlaNic2)
Help on See Also: 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 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

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Sudoite

Mg2(Al,Fe+++)3Si3AlO10(OH)8
Dana No: 71.04.01.03 Strunz No: 09.EC.55
Locality:

 

Notes: