Bismuthinite Mineral Data

General Bismuthinite Information

Chemical Formula:

Bi2S3

Composition:

Molecular Weight = 514.16 gm

Bismuth 81.29 % Bi

Sulfur 18.71 % S

______

100.00 %

Empirical Formula:

Bi₂S₃

Environment:

Typically in low- to high-temperature hydrothermal vein deposits, in tourmaline-bearing copper deposits in granite, in some gold veins formed at high temperatures, and in recent vol canic exhalation deposits.

IMA Status:

Valid Species (Pre-IMA) 1832

Locality:

From the Llallagua, Huanuni, Tazna, and Chorolque districts, Potosi, Bolivia. Link to MinDat.org Location Data.

Name Origin:

From the composition.

Name Pronunciation:

Bismuthinite

Synonym:

Bismuth Glance

Csiklovaite

ICSD 201066

PDF 17-320

Bismuthinite Image

Images:

Bismuthinite

Comments: Metallic, prismatic bismuthinite crystal topped with botryoidal marcasite.
Location: Veta Farellón viejo, Tazna, Potosí, Bolivia. Scale: 4.4x1.3x0.4 cm.
© Fabre Minerals

Images:

Cannonite Bismuthinite

Comments: Opaque white crystal tufts of cannonite on quartz crystals with dark, metallic bismuthinite.
Location: Marysvale, Piute County, Utah, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Images:

Matildite Bismuth Bismuthinite

Comments: SEM image of native Bi replaced by bismuthinite and matildite. Black areas represent gangue minerals. (CanMin, v43:899).
Location: Uranium deposit at Niederschlema-Alberoda, Germany. Scale: See Image.
© Canadian Mineralogist

Bismuthinite Crystallography

Axial Ratios:

a:b:c =0.9875:1:0.3522

Cell Dimensions:

a = 11.13, b = 11.27, c = 3.97, Z = 4; V = 497.98 Den(Calc)= 6.86

Crystal System:

Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pbnm

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

By Intensity(I/I_o): 3.569(1), 3.118(0.8), 3.53(0.6),

Forms:

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Forms: ( 2 1 1) ( 3 1 1) ( 0 1 0) ( 0 2 1) ( 1 1 0) ( 3 0 1) ( 1 0 1)

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Physical Properties of Bismuthinite

Cleavage:

{010} Perfect

Color:

Gray, Silver white, Tin white.

Density:

6.8 - 7.2, Average = 7

Diaphaneity:

Opaque

Fracture:

Brittle - Sectile - Brittle fracture with slightly sectile shavings possible.

Habit:

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

Habit:

Massive - Lamellar - Distinctly foliated fine-grained forms.

Habit:

Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).

Hardness:

2 - Gypsum

Luminescence:

Non-fluorescent.

Luster:

Metallic

Magnetism:

Nonmagnetic

Streak:

gray

Optical Properties of Bismuthinite

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Bismuthinite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
400 nm	40.50	49.60
420 nm	40.30	49.80
440 nm	40.10	50.00
460 nm	39.70	50.20
480 nm	39.20	50.40
500 nm	38.50	50.40
520 nm	38.10	50.30
540 nm	37.70	50.00
560 nm	37.40	49.60
580 nm	37.00	49.00
600 nm	36.80	48.50
620 nm	36.50	48.00
640 nm	36.20	47.40
660 nm	36.10	46.70
680 nm	35.80	45.80
700 nm	35.60	45.00

**Calculated Relative Intensity Colors of Bismuthinite in Air**
Relative Intensity	0%	30%	60%	90%	100%	120%	150%	180%	210%	240%
R₁
R₂

Calculated Properties of Bismuthinite

Electron Density:

Bulk Density (Electron Density)=5.71 gm/cc
note: Specific Gravity of Bismuthinite =6.86 gm/cc.

Fermion Index:

Fermion Index = 0.0014040467
Boson Index = 0.9985959533

Photoelectric:

PE_Bismuthinite=1,572.72 barns/electron
U=PE_Bismuthinite x rElectron Density=8,980.92 barns/cc.

Radioactivity:

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

Bismuthinite Classification

Dana Class:

02.11.02.03 (02)Sulfides - Including Selenides and Tellurides

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

(02.11.02)Stibnite Group (Orthorhombic: Pbnm)

02.11.02.01 Stibnite Sb2S3 Pbnm 2/m 2/m 2/m

02.11.02.02 Antimonselite Sb2Se3 Pbnm 2/m 2/m 2/m

02.11.02.03 Bismuthinite Bi2S3 Pbnm 2/m 2/m 2/m

02.11.02.04 Guanajuatite Bi2Se3 Pbnm 2/m 2/m 2/m

Strunz Class:

02.DB.05a 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.D - Metal Sulfides, M:S = 3:4 and 2:3

02.DB -M:S = 2:3 and similar

02.DB.05a Antimonselite Sb2Se3 Pbnm 2/m 2/m 2/m

02.DB.05a Bismuthinite Bi2S3 Pbnm 2/m 2/m 2/m

02.DB.05a Guanajuatite Bi2Se3 Pbnm 2/m 2/m 2/m

02.DB.05a Metastibnite Sb2S3 None

02.DB.05a Stibnite Sb2S3 Pbnm 2/m 2/m 2/m

Other Bismuthinite Information

References:

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

See Also:

Links to other databases for Bismuthinite :
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 - MinDAT
12 - Mineralienatlas (Deutsch)
13 - Online Mineral Museum
14 - QUT Mineral Atlas
15 - Ruff.Info
16 - Scandinavian mineral gallery
17 - WWW-MINCRYST

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Bismuthinite

Bi2S3
Dana No: 02.11.02.03 Strunz No: 02.DB.05a
Locality:

Notes:

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