Scheuchzerite Mineral Data

Scheuchzerite Mineral Data
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General Scheuchzerite Information

Help on Chemical Formula: Chemical Formula: Na(Mn,Mg)9[VSi9O28(OH)](OH)3
Help on Composition: Composition: Molecular Weight = 1,309.36 gm
   Sodium      1.70 %  Na    2.30 % Na2O
   Calcium     0.09 %  Ca    0.13 % CaO
   Magnesium   1.76 %  Mg    2.92 % MgO
   Manganese  32.69 %  Mn   42.20 % MnO
   Aluminum    0.02 %  Al    0.04 % Al2O3
   Vanadium    3.70 %  V     6.60 % V2O5
   Zinc        0.80 %  Zn    0.99 % ZnO
   Silicon    19.48 %  Si   41.67 % SiO2
   Nickel      0.18 %  Ni    0.23 % NiO
   Arsenic     0.11 %  As    0.18 % As2O5
   Hydrogen    0.31 %  H     2.75 % H2O
   Oxygen     39.16 %  O
             ______        ______ 
             100.00 %      100.01 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Na0.97Mn2+7.79Mg0.95Zn0.16Ni0.04Ca0.03Al0.01V5+0.95As0.02Si9.08O32.05H4
Help on IMA Status: IMA Status: Approved IMA 2004 (Dana # Added)
Help on Locality: Locality: Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Swiss naturalist Johann Jakob Scheuchzer (1672-1733), junior physician of the city of Zürich, curator of the Kunstkammer—a (cabinet of natural history and curiosities), an d he held the chair of physics and mat
Help on Synonym: Synonym: IMA2004-044
 

Scheuchzerite Image

Click Here for Larger Scheuchzerite Image in a New Browser Window Images:
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Scheuchzerite   Saneroite

Comments: BSE image of acicular scheuchzerite crystals (Sz) partially intergrown with platy saneroite (Snr) in a vug lined with minute quartz (Qtz) crystals.
Location: . Scale: .
©

Scheuchzerite Crystallography
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.71(1), 3.09(0.8), 7.91(0.7),8.68(0.5), 2.92(0.4), 3.22(0.4), 3.94(0.3), 4.83(0.3),
Click Here for Large Scheuchzerite Structure Window Crystal Structure:

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Brugger J , Krivovichev S , Meisser N , Ansermet S , Armbruster T , American Mineralogist , 91 (2006) p.937-943, Scheuchzerite, Na(Mn,Mg)9[VSi9O28(OH)](OH)3, a new single-chain silicate, Sample: Fianel, Val Ferrera, Central Alps, Switzerland

 

Physical Properties of Scheuchzerite

Help on Color: Color: Yellow orange.
 

Optical Properties of Scheuchzerite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.011 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.002 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.214,KPDmeas= 0.2121,KC= 0.2144
Ncalc = 1.74 - 1.75
 

Calculated Properties of Scheuchzerite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.36 gm/cc
note: Specific Gravity of Scheuchzerite =3.47 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEScheuchzerite = 10.44 barns/electron
U=PEScheuchzerite x rElectron Density= 35.04 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Scheuchzerite is Not Radioactive
 

Scheuchzerite Classification
Help on Dana Class: Dana Class: 69.02.02.02 (69)Inosilicate Chains with Side Branches or Loops
  (69.02)with P>2
  (69.02.02)Dana Group
 
69.02.02.01 Saneroite Na2(Mn,Fe)10Si11VO34(OH)4 P1 1
 
69.02.02.02 Scheuchzerite! Na(Mn,Mg)9[VSi9O28(OH)](OH)3 P1 1
Help on Strunz Class: Strunz Class: 09.DM.35 09 - SILICATES (Germanates)
  09.D - Inosilicates* Structural terminology according to Liebau (1985)
  09.DM -Inosilicates with 6-periodic single chains
 
09.DM.35 Scheuchzerite! Na(Mn,Mg)9[VSi9O28(OH)](OH)3 P1 1
 

Other Scheuchzerite Information
Help on See Also: See Also: Links to other databases for Scheuchzerite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - Mineralienatlas (Deutsch)
8 - Online Mineral Museum
9 - QUT Mineral Atlas
10 - Ruff.Info

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Print or Cut-and-Paste your Scheuchzerite Specimen Label here :

Scheuchzerite

Na(Mn,Mg)9[VSi9O28(OH)](OH)3
Dana No: 69.02.02.02 Strunz No: 09.DM.35
Locality:

 

Notes: