Bowieite Mineral Data

Bowieite Mineral Data +

General Bowieite Information

Chemical Formula:

(Rh,Ir,Pt)1.77S3

Composition:

Molecular Weight = 342.08 gm

Iridium 29.84 % Ir

Platinum 10.09 % Pt

Rhodium 31.95 % Rh

Sulfur 28.12 % S

______

100.00 %

Empirical Formula:

1.77(Rh_0.6)1.77(Ir_0.3)1.77(Pt_0.1)S₃

Environment:

In platinum alloy nuggets recovered from dredging operations.

IMA Status:

Approved IMA 1984

Locality:

From the Salmon River, Goodnews Bay, Alaska, USA. Link to MinDat.org Location Data.

Name Origin:

For the British scientist, Dr. Stanley Hay Umphray Bowie, of the Institure of Geological Sciences, London, England.

Synonym:

ICSD 15344

PDF 35-736

Sulrhodite

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Bowieite Crystallography

Axial Ratios:

a:b:c =1.4116:1:1.0198

Cell Dimensions:

a = 8.473, b = 6.002, c = 6.121, Z = 4; V = 311.28 Den(Calc)= 7.30

Crystal System:

Orthorhombic - DipyramidalH-M Symbol (2/m 2/m 2/m) Space Group: Pnca

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

By Intensity(I/I_o): 0.7768(1), 0.7877(1), 3(1),

Crystal Structure:

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drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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S - Stereo Pair on/off
H - Help Screen
I - Data Info
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Parthe E , Hohnke D , Hulliger F , Acta Crystallographica , 23 (1967) p.832-840, A new structure type with octahedron pairs for Rh2S3,Rh2Se3 and Ir2S3, Locality: synthetic

Physical Properties of Bowieite

Color:

Gray, Pale gray, Pale brownish gray.

Diaphaniety:

Opaque

Hardness:

7 - Quartz

Luster:

Metallic

Optical Properties of Bowieite

RL Anisotrophism:

Weak, dark gray to very dark brown.

RL Color:

Pale gray to pale gray-brown.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Bowieite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
400 nm	43.50	44.50
420 nm	44.20	45.20
440 nm	44.80	45.80
460 nm	45.30	46.50
480 nm	45.70	46.90
500 nm	45.90	47.30
520 nm	46.10	47.60
540 nm	46.20	47.80
560 nm	46.30	48.00
580 nm	46.40	48.20
600 nm	46.50	48.30
620 nm	46.60	48.40
640 nm	46.80	48.50
660 nm	46.80	48.60
680 nm	46.90	48.60
700 nm	47.00	48.70

**Calculated Relative Intensity Colors of Bowieite in Air**
Relative Intensity	0%	30%	60%	90%	100%	120%	150%	180%	200%
R₁
R₂

Calculated Properties of Bowieite

Electron Density:

r_electron=6.42 gm/cc
note: r_Bowieite=7.30 gm/cc.

Fermion Index

Fermion Index = 0.03622
Boson Index = 0.96378

Photoelectric:

PE_Bowieite= 641.50 barns/electron
U=PE_Bowieite x r_electron=4,120.12 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Bowieite is Not Radioactive

Bowieite Classification

Dana Class:

2.11.12.1 (2)Sulfides - Including Selenides and Tellurides

(2.11)where Am Bn Xp, with (m+n):p=2:3

(2.11.12)Dana Group

2.11.12.1 Bowieite (Rh,Ir,Pt)1.77S3 Pnca 2/m 2/m 2/m

2.11.12.2 Kashinite (Ir,Rh)2S3 P bcn 2/m 2/m 2/m

Strunz Class:

II/D.06-20 II - Sulfides and sulphosalts

II/D - Sulfides with metal: sulfur, selenium and tellurium < 1:1, Tellurides with Copper, Silver, Gold

II/D.06 - Kashinite series

II/D.06-10 Kashinite (Ir,Rh)2S3 P bcn 2/m 2/m 2/m

II/D.06-20 Bowieite (Rh,Ir,Pt)1.77S3 Pnca 2/m 2/m 2/m

II/D.06-30 Daomanite* CuPtAsS2 Ama2 mm2

Other Bowieite Information

References:

NAME( AntBidBlaNic1) PHYS. PROP.(Bull.Miner.,Vol.107-111,1984-1988) OPTIC PROP.(AntBidBlaNic1)

See Also:

Links to other databases for Bowieite :
1 -Am. Min. Crystal Structure Database 2 -Athena 3 - EUROmin Project 4 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris

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

Bowieite

(Rh,Ir,Pt)1.77S3
Dana No: 2.11.12.1 Strunz No: II/D.06-20
Locality:

Notes: