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Philolithite Mineral Data

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General Philolithite Information

Help on Chemical  Formula: Chemical Formula: Pb12O6Mn(Mg,Mn)2(Mn,Mg)4(SO4)(CO3)4Cl4(OH)12
Help on Composition: Composition: Molecular Weight = 3,587.70 gm
   Magnesium   1.35 %  Mg    2.25 % MgO
   Manganese   7.66 %  Mn    9.89 % MnO
   Hydrogen    0.34 %  H     3.01 % H2O
   Lead       69.30 %  Pb   74.65 % PbO
   Carbon      1.34 %  C     4.91 % CO2
   Sulfur      0.89 %  S     2.23 % SO3
   Chlorine    3.95 %  Cl    3.95 % Cl
                -   %   Cl   -0.89 % -O=Cl2   
   Oxygen     15.16 %  O
             ______        ______ 
             100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Pb12O6Mg2Mn2+5(SO4)(CO3)4(OH)12Cl4
Help on Environment: Environment: Crust-like overgrowths and simple tetragonal tablets on subhedral lead, and on lead wire in a calcite-rich Mn oxide ore matrix. A late-stage fissure mineral in a skarn assemblage,
Help on IMA Status: IMA Status: Approved IMA 1998 (Dana # Added)
Help on Locality: Locality: Langban, Varmland, Sweden. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: The name is from the Greek philos (=loving) and lithos (=stone) in honor of the Friends of Mineralogy.
Help on Name Pronunciation: Name Pronunciation: Philolithite + Pronunciation Say PHILOLITHITE
Help on Synonym: Synonym: ICSD 89834
  IMA1996-020
  PDF 51-1455
 

Philolithite Image

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  Philolithite

Comments: Dark green mass of philolithite.
Location: Langban, Värmland, Sweden. Scale: Specimen Size 7x5x3 mm.
© Sergey Vasiliev / Systematic Mineralogy

Philolithite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:0.99746
Help on Cell Dimensions: Cell Dimensions: a = 12.627, c = 12.595, Z = 2; V = 2,008.16 Den(Calc)= 5.93
Help on Crystal System: Crystal System: Tetragonal - Ditetragonal Dipyramidal H-M Symbol (4/m 2/m 2/m) Space Group: P 41/nnm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.975(1), 2.752(0.3), 3.99(0.3),
Help on Forms: Forms:

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Drag1 - Manipulate Crystal
Drag2 - Resize

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Help on Above

Forms: ( 1 1 1) ( 1 1 0) ( 0 0 1)

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Physical Properties of Philolithite

Help on Cleavage: Cleavage: None
Help on Color: Color: Green, Emerald green.
Help on Density: Density: 5.91
Help on Diaphaneity: Diaphaneity: Transparent to translucent
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Habit: Habit: Encrustations - Forms crust-like aggregates on matrix.
Help on Habit: Habit: Tabular - Form dimensions are thin in one direction.
Help on Hardness: Hardness: 3-4 - Calcite-Fluorite
Help on Luster: Luster: Adamantine
Help on Streak: Streak: white
 

Optical Properties of Philolithite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.011 (Superior) - where the CI = (1-KPDmeas/KC)
CI calc= 0.015 (Superior) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.158,KPDmeas= 0.1585,KC= 0.1603
Ncalc = 1.95
Help on Optical Data: Optical Data: Biaxial (+), a=1.92, b=1.94, g=1.95, bire=0.0300
 

Calculated Properties of Philolithite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.02 gm/cc
note: Specific Gravity of Philolithite =5.91 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.15
Boson Index = 0.85
Help on Photoelectric: Photoelectric: PEPhilolithite =1,254.07 barns/electron
U=PEPhilolithite x rElectron Density=6,300.79 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Philolithite is Not Radioactive
 

Philolithite Classification

Help on  Dana Class: Dana Class: 32.03.04.02 (32)Compound Sulfates
  (32.03)(anhydrous) with poly-anionic formula
  (32.03.04)Dana Group
 
32.03.04.01 Hauckite (Mg,Mn)24Zn18Fe3(SO4)4(CO3)2(OH)81(?) P 6/mmm 6/m 2/m 2/m
 
32.03.04.02 Philolithite! Pb12O6Mn(Mg,Mn)2(Mn,Mg)4(SO4)(CO3)4Cl4(OH)12 P 41/nnm 4/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 05.BF.35 05 - CARBONATES (NITRATES)
  05.B - Carbonates with additional anions, without H2O
  05.BF -With (Cl), SO4, PO4, TeO3
 
05.BF.35 Philolithite! Pb12O6Mn(Mg,Mn)2(Mn,Mg)4(SO4)(CO3)4Cl4(OH)12 P 41/nnm 4/m 2/m 2/m
 

Other Philolithite Information

Help on References: References: NAME( MinRec) PHYS. PROP.(Min.Mag.,Vol.61,p733,1997) OPTIC PROP.(MinRec)
Help on See Also: See Also: Links to other databases for Philolithite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - GeoScienceWorld
4 - Google Images
5 - Google Scholar
6 - Handbook of Mineralogy (MinSocAm)
7 - Handbook of Mineralogy (UofA)
8 - MinDAT
9 - Mineralienatlas (Deutsch)
10 - Online Mineral Museum
11 - QUT Mineral Atlas
12 - Ruff.Info

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

Philolithite

Pb12O6Mn(Mg,Mn)2(Mn,Mg)4(SO4)(CO3)4Cl4(OH)12
Dana No: 32.03.04.02 Strunz No: 05.BF.35
Locality:

 

Notes:

 

 
   
 


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