Blixite Mineral Data

Blixite Mineral Data
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General Blixite Information

Help on Chemical Formula: Chemical Formula: Pb8O5(OH)2Cl4
Help on Composition: Composition: Molecular Weight = 1,873.18 gm
   Calcium    0.17 %  Ca    0.24 % CaO
   Hydrogen   0.09 %  H     0.79 % H2O
   Lead      86.28 %  Pb   92.94 % PbO
   Chlorine   7.72 %  Cl    7.72 % Cl
               -   %   Cl   -1.74 % -O=Cl2   
   Oxygen     5.74 %  O
            ______        ______ 
            100.00 %       99.95 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: 4(Pb1.95)4(Ca0.02)4(O1.27)4(OH)0.414(Cl1.02)
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1958
Help on Locality: Locality: Langan, Varmland, Sweden, in the Amerika stope. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Ragner Blix (1898-), Chemist, Swedish Museum of Natural History.
Help on Name Pronunciation: Name Pronunciation: Blixite Say BLIXITE
Help on Synonym: Synonym: ICSD 200211 with F
  PDF 12-542
 

Blixite Image

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Blixite

Comments: Pale yellow crystalline blixite on dark matrix.
Location: Langban, Varmland, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Blixite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =4.4673:1:3.8962
Help on Cell Dimensions: Cell Dimensions: a = 26.069, b = 5.8354, c = 22.736, Z = 8; beta = 102.612° V = 3,375.22 Den(Calc)= 7.37
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: C 2/c
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.93(1), 1.66(0.8), 3.88(0.8),
Click Here for Large Blixite Structure Window Crystal Structure:

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Krivovichev S V , Burns P C , The Canadian Mineralogist , 44 (2006) p.515-522, The crystal structure of Pb8O5(OH)2Cl4, a synthetic analogue of blixite?, Locality: synthetic

 

Physical Properties of Blixite

Help on Cleavage: Cleavage: {???} Good
Help on Color: Color: Light green, Light yellow, Orange.
Help on Density: Density: 7.35
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Vitreous - Dull
Help on Streak: Streak: light yellow
 

Optical Properties of Blixite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= -0.012 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= -0.01 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.1526,KPDmeas= 0.1531,KC= 0.1512
Ncalc = 2.11
Help on Optical Data: Optical Data: Biaxial (+), a=2.05, g=2.2, bire=0.1500, 2V(Meas)=80.
 

Calculated Properties of Blixite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.03 gm/cc
note: Specific Gravity of Blixite =7.37 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.19
Boson Index = 0.81
Help on Photoelectric: Photoelectric: PEBlixite =1,620.13 barns/electron
U=PEBlixite x rElectron Density=9,765.04 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Blixite is Not Radioactive
 

Blixite Classification
Help on Dana Class: Dana Class: 10.02.04.01 (10)Oxyhalides and Hydroxyhalides
  (10.02)where A (O,OH) Xq
  (10.02.04)Dana Group
 
10.02.04.01 Blixite Pb8O5(OH)2Cl4 C 2/c 2/m
Help on Strunz Class: Strunz Class: 03.DC.50 03 - HALIDES
  03.D - Oxyhalides, Hydroxyhalides and Related Double Halides
  03.DC -With Pb (As,Sb,Bi), without Cu
 
03.DC.50 Blixite Pb8O5(OH)2Cl4 C 2/c 2/m
 

Other Blixite Information
Help on References: References: NAME( Dana8) PHYS. PROP.(Dana8, AmMin, v91, p1950) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Blixite :
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
15 - Scandinavian mineral gallery

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Ask about Blixite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
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Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espaņol

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

Blixite

Pb8O5(OH)2Cl4
Dana No: 10.02.04.01 Strunz No: 03.DC.50
Locality:

 

Notes: