Rouseite Mineral Data

Rouseite Mineral Data
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General Rouseite Information

Help on Chemical Formula: Chemical Formula: Pb2Mn++(As+++O3)2•2(H2O)
Help on Composition: Composition: Molecular Weight = 874.13 gm
   Manganese   6.28 %  Mn    8.12 % MnO
   Arsenic    25.71 %  As   33.95 % As2O3
   Hydrogen    0.46 %  H     4.12 % H2O
   Lead       47.41 %  Pb   51.07 % PbO
   Oxygen     20.13 %  O
             ______        ______ 
             100.00 %       97.25 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb2Mn2+(AsO3)3•2(H2O)
Help on IMA Status: IMA Status: Approved IMA 1986
Help on Locality: Locality: Langban, Varmland, Sweden. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Rolnd Rouse (1943-), U. S. Mineralogist.
Help on Name Pronunciation: Name Pronunciation: Rouseite Say ROUSEITE
 

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Rouseite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.8724:1:0.7599
Help on Cell Dimensions: Cell Dimensions: a = 6.36, b = 7.29, c = 5.54, Z = 1; alpha = 97.3°, beta = 114.2°, gamma = 106° V = 223.38 Den(Calc)= 6.50
Help on Crystal System: Crystal System: TriclinicSpace Group: P1,P 1
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 6.81(1), 2.849(0.9), 2.983(0.8),
 

Physical Properties of Rouseite

Help on Cleavage: Cleavage: {010} Perfect, {100} Perfect
Help on Color: Color: Yellow orange.
Help on Density: Density: 4.2 - 5.7, Average = 4.95
Help on Diaphaneity: Diaphaneity: Transparent
Help on Fracture: Fracture: Brittle - Uneven - Very brittle fracture producing uneven fragments.
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Vitreous - Adamantine
Help on Streak: Streak: yellow
 

Optical Properties of Rouseite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.034 (Excellent) - where the CI = (1-KPDmeas/KC)
CI calc= 0.286 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1269,KPDmeas= 0.1717,KC= 0.1777
Ncalc = 1.75 - 2.19
Help on Optical Data: Optical Data: Biaxial (-), a=1.8, g=1.9, bire=0.1000, 2V(Meas)=46. Dispersion r > v.
 

Calculated Properties of Rouseite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.30 gm/cc
note: Specific Gravity of Rouseite =4.95 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.1
Boson Index = 0.9
Help on Photoelectric: Photoelectric: PERouseite = 857.96 barns/electron
U=PERouseite x rElectron Density=3,692.41 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Rouseite is Not Radioactive
 

Rouseite Classification
Help on Dana Class: Dana Class: 45.01.02.02 (45)Acid and normal Antimonites, Arsenites and Phosphites
  (45.01)with miscellaneous formulae
  (45.01.02)Trigonite Group
 
45.01.02.01 Trigonite Pb3Mn(AsO3)2(AsO2OH) Pn m
 
45.01.02.02 Rouseite Pb2Mn(AsO3)2•2(H2O) P1,P 1 Tri
Help on Strunz Class: Strunz Class: 04.JC.15 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.J - Arsenites, Antimonites, Bismuthites, Sulfites,
  04.JC -Arsenites, antimonites, bismuthites; without additional anions, with H2O
 
04.JC.15 Rouseite Pb2Mn(AsO3)2•2(H2O) P1,P 1 Tri
 

Other Rouseite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.71,p1034-1036,1986) OPTIC PROP.(Dana8)
Help on See Also: See Also: Links to other databases for Rouseite :
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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Rouseite

Pb2Mn++(As+++O3)2•2(H2O)
Dana No: 45.01.02.02 Strunz No: 04.JC.15
Locality:

 

Notes: