Itoite Mineral Data

Itoite Mineral Data
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General Itoite Information

Help on Chemical Formula: Chemical Formula: Pb3[GeO2(OH)2](SO4)2
Help on Composition: Composition: Molecular Weight = 952.35 gm
   Germanium   7.62 %  Ge   10.98 % GeO2
   Hydrogen    0.21 %  H     1.89 % H2O
   Lead       65.27 %  Pb   70.31 % PbO
   Sulfur      6.73 %  S    16.81 % SO3
   Oxygen     20.16 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb3GeO2(OH)2(SO4)2
Help on Environment: Environment: Alteration product of anglesite.
Help on IMA Status: IMA Status: Approved IMA 1960
Help on Locality: Locality: Tsumeb, Namibia. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Tei-Ichi Ito (1898-1980), mineralogist and crystallographer, University of Tokyo, Japan.
Help on Name Pronunciation: Name Pronunciation: Itoite Say ITOITE
Help on Synonym: Synonym: ICSD 43796
  PDF 12-641
 

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Itoite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =1.5743:1:1.2899
Help on Cell Dimensions: Cell Dimensions: a = 8.47, b = 5.38, c = 6.94, Z = 1; V = 316.25 Den(Calc)= 5.00
Help on Crystal System: Crystal System: Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: P nma
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.065(1), 3.003(0.9), 3.326(0.9),
 

Physical Properties of Itoite

Help on Color: Color: Silky white.
Help on Density: Density: 6.67
Help on Luster: Luster: Silky
Help on Streak: Streak: white
 

Optical Properties of Itoite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.144 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= -0.142 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.169,KPDmeas= 0.1267,KC= 0.148
Ncalc = 1.74 - 1.99
Help on Optical Data: Optical Data: Biaxial (?), b=1.84-1.85
 

Calculated Properties of Itoite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.28 gm/cc
note: Specific Gravity of Itoite =5.00 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.15
Boson Index = 0.85
Help on Photoelectric: Photoelectric: PEItoite =1,175.02 barns/electron
U=PEItoite x rElectron Density=5,033.94 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Itoite is Not Radioactive
 

Itoite Classification
Help on Dana Class: Dana Class: 30.02.06.01 (30)Anhydrous Sulfates Containing Hydroxyl or Halogen
  (30.02)where (A B)2 XO4 Zq
  (30.02.06)Dana Group
 
30.02.06.01 Itoite Pb3[GeO2(OH)2](SO4)2 P nma 2/m 2/m 2/m
Help on Strunz Class: Strunz Class: 07.BD.50 07 - SULFATES (SELENATES, TELLURATES)
  07.B - Sulfates (selenates, etc.) with Additional Anions, without H2O
  07.BD -With only large cations
 
07.BD.50 Itoite Pb3[GeO2(OH)2](SO4)2 P nma 2/m 2/m 2/m
 

Other Itoite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Itoite :
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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Print or Cut-and-Paste your Itoite Specimen Label here :

Itoite

Pb3[GeO2(OH)2](SO4)2
Dana No: 30.02.06.01 Strunz No: 07.BD.50
Locality:

 

Notes: