Jordanite Mineral Data

General Jordanite Information

Chemical Formula:

Pb14(As,Sb)6S23

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 %

Empirical Formula:

Pb₁₄As₄Sb₂S₂₃

Environment:

In metamorphosed Pb-As occurrences in dolomite.

IMA Status:

Valid Species (Pre-IMA) 1864

Locality:

Binnental, Valais, Switzerland. Link to MinDat.org Location Data.

Name Origin:

Named after H. Jordan from Saarbrucken.

Name Pronunciation:

Jordanite + Pronunciation

Synonym:

ICSD 8167

PDF 21-466

Reniforite

Jordanite Image

Images:

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

Images:

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

Images:

Marrite Jordanite

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

Axial Ratios:

a:b:c =0.2802:1:0.2622

Cell Dimensions:

a = 8.87, b = 31.65, c = 8.3, Z = 2; beta = 118.1° V = 2,055.45 Den(Calc)= 6.76

Crystal System:

Monoclinic - Prismatic H-M Symbol (2/m) Space Group: P 2₁/m

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.238(1), 2.97(0.9), 3.15(0.8),

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

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Physical Properties of Jordanite

Cleavage:

{010} Distinct

Color:

Lead gray.

Density:

5.5 - 6.4, Average = 5.95

Diaphaneity:

Opaque

Fracture:

Brittle - Conchoidal - Very brittle fracture producing small, conchoidal fragments.

Habit:

Globular - Spherical, or nearly so, rounded forms (e.g. wavellite).

Habit:

Granular - Generally occurs as anhedral to subhedral crystals in matrix.

Habit:

Pseudo Hexagonal - Crystals show a hexagonal outline.

Hardness:

3 - Calcite

Luster:

Metallic

Streak:

black

Optical Properties of Jordanite

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

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

Electron Density:

Bulk Density (Electron Density)=5.66 gm/cc
note: Specific Gravity of Jordanite =6.76 gm/cc.

Fermion Index:

Fermion Index = 0.15
Boson Index = 0.85

Photoelectric:

PE_Jordanite=1,299.37 barns/electron
U=PE_Jordanite x rElectron Density=7,352.14 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Jordanite is Not Radioactive

Jordanite Classification

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

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

References:

NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)

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:

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