Stibnite Mineral Data

(Translated by https://www.hiragana.jp/)
Stibnite Mineral Data

General Stibnite Information

Chemical Formula:

Sb2S3

Composition:

Molecular Weight = 339.70 gm

Antimony 71.68 % Sb

Sulfur 28.32 % S

______

100.00 %

Empirical Formula:

Sb₂S₃

Environment:

Dimorphous with metastibnite, compare bismuthinite, guanajuatite, animonselite.

IMA Status:

Valid Species (Pre-IMA) 1832

Locality:

Ichinokawa, Shikoku, Japan. Link to MinDat.org Location Data.

Name Origin:

From the Greek, stimmi or stibi, "antimony," thence to the Latin, stibium. Also from the Greek anthemon, "flower" in allusion to the form of crystal druses.

Name Pronunciation:

Stibnite

Synonym:

Antimonite

Antimony Glance

Gray Antimony

ICSD 15236

PDF 42-1393

Stibium

Stibnite Image

Images:

Stibnite

Comments: Prismatic crystals of metallic-lustered stibnite.
Location: Xikuangshan Mine, Lengshuijang, Hunan Province, China. Scale: Crystal size 5-10 cm.
© Dave Barthelmy

Stibnite Crystallography

Axial Ratios:

a:b:c =0.9928:1:0.3442

Cell Dimensions:

a = 11.229, b = 11.31, c = 3.893, Z = 4; V = 494.41 Den(Calc)= 4.56

Crystal System:

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

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

By Intensity(I/I_o): 2.764(1), 3.053(0.95), 3.556(0.7),

Forms:

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

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Crystal Structure:

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Kyono A , Kimata M , American Mineralogist , 89 (2004) p.932-940, Structural variations induced by difference of the inert pair effect, in the stibnite-bismuthinite solid solution series (Sb,Bi)2S3, Sample #1

View Additional jPOWD Structure files for Stibnite
[1] [10] [11] [12] [13] [14] [15] [16] [17] [18] [19] [2] [20] [3] [4] [5] [6] [7] [8] [9]

Physical Properties of Stibnite

Cleavage:

{010} Perfect

Color:

Lead gray, Bluish lead gray, Steel gray, Black.

Density:

4.63

Diaphaneity:

Opaque

Fracture:

Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).

Habit:

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

Habit:

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

Habit:

Striated - Parallel lines on crystal surface or cleavage face.

Hardness:

2 - Gypsum

Luminescence:

Non-fluorescent.

Luster:

Metallic

Magnetism:

Nonmagnetic

Streak:

blackish gray

Optical Properties of Stibnite

RL Anisotrophism:

Strong.

RL Color:

White.

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Stibnite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
400 nm	34.20	55.20
420 nm	33.60	54.50
440 nm	33.00	53.80
460 nm	32.80	52.80
480 nm	32.80	51.80
500 nm	32.80	50.70
520 nm	32.80	49.50
540 nm	32.60	48.50
560 nm	31.80	46.80
580 nm	31.20	45.50
600 nm	30.70	44.40
620 nm	30.60	43.50
640 nm	30.80	42.60
660 nm	31.20	41.80
680 nm	31.00	41.20
700 nm	30.60	40.50

**Calculated Relative Intensity Colors of Stibnite in Air**
Relative Intensity	0%	30%	60%	90%	100%	120%	150%	180%	210%	240%	270%	280%
R₁
R₂

Calculated Properties of Stibnite

Electron Density:

Bulk Density (Electron Density)=4.03 gm/cc
note: Specific Gravity of Stibnite =4.56 gm/cc.

Fermion Index:

Fermion Index = 0.0021239012
Boson Index = 0.9978760988

Photoelectric:

PE_Stibnite= 240.35 barns/electron
U=PE_Stibnite x rElectron Density= 967.90 barns/cc.

Radioactivity:

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

Stibnite Classification

Dana Class:

02.11.02.01 (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 Stibnite Information

References:

NAME( Sinkankas66) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)

See Also:

Links to other databases for Stibnite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - Franklin Minerals(Dunn)
5 - GeoScienceWorld
6 - Glendale Community College
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 - Philatelic Mineralogy
16 - QUT Mineral Atlas
17 - Ruff.Info
18 - WWW-MINCRYST
19 - YupRocks
20 - theimage

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Ask about Stibnite here :
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Print or Cut-and-Paste your Stibnite Specimen Label here :

Stibnite

Sb2S3
Dana No: 02.11.02.01 Strunz No: 02.DB.05a
Locality:

Notes: