Jordanite Mineral Data

Jordanite Mineral Data
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General Jordanite Information

Help on Chemical Formula: Chemical Formula: Pb14(As,Sb)6S23
Help on Composition: Composition: Molecular Weight = 4,181.50 gm
   Antimony   5.82 %  Sb
   Arsenic    7.17 %  As
   Lead      69.37 %  Pb
   Sulfur    17.64 %  S
            ______ 
            100.00 % 
Help on Empirical Formula: Empirical Formula: Pb14As4Sb2S23
Help on Environment: Environment: In metamorphosed Pb-As occurrences in dolomite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1864
Help on Locality: Locality: Binnental, Valais, Switzerland. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named after H. Jordan from Saarbrucken.
Help on Name Pronunciation: Name Pronunciation: Jordanite + Pronunciation Say JORDANITE
Help on Synonym: Synonym: ICSD 8167
  PDF 21-466
  Reniforite
 

Jordanite Image

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Jordanite

Comments: Gray metallic crystalline jordanite in fine-grained marble.
Location: Lengenbach Quarry, Binnental, Valais, Switzerland. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species
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Jordanite

Comments: Pseudo-hexagonal, metallic gray crystal of jordanite with purple tarnish on white dolomite.
Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Crystal size 2 mm.
© Walter Gabriel
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Jordanite   Marrite

Comments: Aggregate of gray prismatic crystals of marrite on fine-grained jordanite.
Location: Lengenbach quarry, Binntal, Valais, Switzerland. Scale: Picture high 5 mm.
© Walter Gabriel

Jordanite Crystallography
Help on Axial Ratios: Axial Ratios: a:b:c =0.2802:1:0.2622
Help on Cell Dimensions: Cell Dimensions: a = 8.87, b = 31.65, c = 8.3, Z = 2; beta = 118.1° V = 2,055.45 Den(Calc)= 6.76
Help on Crystal System: Crystal System: Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 21/m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.238(1), 2.97(0.9), 3.15(0.8),
Help on Forms: Forms:

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

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Ito T , Nowacki W , Zeitschrift fur Kristallographie , 139 (1974) p.161-185, The crystal structure of jordanite, Pb28As12S46, Locality: Binnatal, Switzerland

 

Physical Properties of Jordanite

Help on Cleavage: Cleavage: {010} Distinct
Help on Color: Color: Lead gray.
Help on Density: Density: 5.5 - 6.4, Average = 5.95
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.
Help on Habit: Habit: Globular - Spherical, or nearly so, rounded forms (e.g. wavellite).
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Habit: Habit: Pseudo Hexagonal - Crystals show a hexagonal outline.
Help on Hardness: Hardness: 3 - Calcite
Help on Luster: Luster: Metallic
Help on Streak: Streak: black
 

Optical Properties of Jordanite

Help on Optical Data: Optical Data: NCalc= 1.67 - from Gladstone-Dale relationship (KC = 0.0994) where Ncalc=Dcalc*KC+1
NCalc= 1.59 - from Gladstone-Dale relationship (KC = 0.0994) where Ncalc=Dmeas*KC+1
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Jordanite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   43.20   47.40 
   
 420 nm   42.00   46.20 
 440 nm   40.80   45.00 
 460 nm   40.10   44.10 
 480 nm   39.60   43.50 
 500 nm   39.20   43.00 
 520 nm   39.00   42.60 
 540 nm   38.60   42.20 
 560 nm   38.20   41.70 
 580 nm   38.00   41.10 
 600 nm   37.60   40.60 
 620 nm   37.20   40.20 
 640 nm   36.70   39.60 
 660 nm   36.10   39.10 
 680 nm   35.30   38.50 
 700 nm   34.40   37.90 
Calculated Relative Intensity Colors of Jordanite in Air
Relative
Intensity		    0%   30%   60%   90% 100% 120% 150% 180% 210% 240%
R1                    
R2                    
 

Calculated Properties of Jordanite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=5.66 gm/cc
note: Specific Gravity of Jordanite =6.76 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.15
Boson Index = 0.85
Help on Photoelectric: Photoelectric: PEJordanite =1,299.37 barns/electron
U=PEJordanite x rElectron Density=7,352.14 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Jordanite is Not Radioactive
 

Jordanite Classification
Help on Dana Class: Dana Class: 03.03.01.01 (03)Sulfides - Sulfosalts
  (03.03)where 3 < z/y < 4 - (A+)i (A++)j [By Cz], A=metals, B=semi-metals, C=non-metals
  (03.03.01)Dana Group
 
03.03.01.01 Jordanite Pb14(As,Sb)6S23 P 21/m 2/m
 
03.03.01.02 Geocronite Pb14(Sb,As)6S23 P 21/m 2/m
Help on Strunz Class: Strunz Class: 02.JB.30a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.J - Sulfosalts of PbS Archetype
  02.JB -Galena derivatives, with Pb
 
02.JB.30a Jordanite Pb14(As,Sb)6S23 P 21/m 2/m
 
02.JB.30a Geocronite Pb14(Sb,As)6S23 P 21/m 2/m
 

Other Jordanite Information
Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Jordanite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - GeoScienceWorld
7 - Google Images
8 - Google Scholar
9 - Handbook of Mineralogy (MinSocAm)
10 - Handbook of Mineralogy (UofA)
11 - HyperPhysics
12 - MinDAT
13 - Mineralienatlas (Deutsch)
14 - Online Mineral Museum
15 - QUT Mineral Atlas
16 - Ruff.Info
17 - WWW-MINCRYST

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Jordanite

Pb14(As,Sb)6S23
Dana No: 03.03.01.01 Strunz No: 02.JB.30a
Locality:

 

Notes: