Blixite Mineral Data
General Blixite Information
Chemical Formula:
Pb8O5(OH)2Cl4
Composition:
Molecular Weight = 1,873.18 gm
Calcium 0.17 % Ca 0.24 % CaO
Hydrogen 0.09 % H 0.79 % H2 O
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
Empirical Formula:
4(Pb1.95 )4(Ca0.02 )4(O1.27 )4(OH)0.41 4(Cl1.02 )
IMA Status:
Valid Species (Pre-IMA) 1958
Locality:
Langan, Varmland, Sweden, in the Amerika stope. Link to MinDat.org Location Data.
Name Origin:
Named for Ragner Blix (1898-), Chemist, Swedish Museum of Natural History.
Name Pronunciation:
Blixite
Synonym:
ICSD 200211 with F
PDF 12-542
Blixite Image
Images:
Blixite Crystallography
Axial Ratios:
a:b:c =4.4673:1:3.8962
Cell Dimensions:
a = 26.069, b = 5.8354, c = 22.736, Z = 8; beta = 102.612° V = 3,375.22 Den(Calc)= 7.37
Crystal System:
Monoclinic - Prismatic H-M Symbol (2/m) Space Group: C 2/c
X Ray Diffraction:
By Intensity(I/Io ): 2.93(1), 1.66(0.8), 3.88(0.8),
Physical Properties of Blixite
Cleavage:
{???} Good
Color:
Light green, Light yellow, Orange.
Density:
7.35
Hardness:
3 - Calcite
Luster:
Vitreous - Dull
Streak:
light yellow
Optical Properties of Blixite
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
Optical Data:
Biaxial (+), a=2.05, g=2.2, bire=0.1500, 2V(Meas)=80.
Calculated Properties of Blixite
Electron Density:
Bulk Density (Electron Density)=6.03 gm/cc note: Specific Gravity of Blixite =7.37 gm/cc.
Fermion Index:
Fermion Index = 0.19 Boson Index = 0.81
Photoelectric:
PEBlixite =1,620.13 barns/electronU=PEBlixite x r Electron Density=9,765.04 barns/cc.
Radioactivity:
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Blixite is Not Radioactive
Blixite Classification
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
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
References:
NAME( Dana8) PHYS. PROP.(Dana8, AmMin, v91, p1950) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
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
Search for Blixite using:
[AOL ]
[Bing ]
[Dog Pile ]
[GeoScienceWorld ]
[HotBot ]
[Ixquick ]
[Lycos ]
[MAMMA ]
[Scirus ]
[Teoma ]
[WebCrawler ]
[Wikipedia ]
[YAHOO ]
Visit our Advertisers for Blixite :
Ask about Blixite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in
Espa�ol
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:
Dakota Matrix
Excalibur Minerals
Exceptional Minerals
Hudson Insitute
John Betts Fine Minerals
Mc Dougall Minerals
Mineral News
Rock and Mineral Shows
Weinrich Minerals, Inc.