Mineralogy Database

Stibnite Mineral Data

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General Stibnite Information

Help on Chemical  Formula: Chemical Formula: Sb2S3
Help on Composition: Composition: Molecular Weight = 339.70 gm
   Antimony  71.68 %  Sb
   Sulfur    28.32 %  S
            100.00 % 
Help on Empirical Formula: Empirical Formula: Sb2S3
Help on Environment: Environment: Dimorphous with metastibnite, compare bismuthinite, guanajuatite, animonselite.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1832
Help on Locality: Locality: Ichinokawa, Shikoku, Japan. Link to MinDat.org Location Data.
Help on Name Origin: 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.
Help on Name Pronunciation: Name Pronunciation: Stibnite Say STIBNITE
Help on Synonym: Synonym: Antimonite
  Antimony Glance
  Gray Antimony
  ICSD 15236
  PDF 42-1393

Stibnite Image

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

Stibnite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.9928:1:0.3442
Help on Cell Dimensions: Cell Dimensions: a = 11.229, b = 11.31, c = 3.893, Z = 4; V = 494.41 Den(Calc)= 4.56
Help on Crystal System: 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/Io): 2.764(1), 3.053(0.95), 3.556(0.7),
Help on Forms: Forms:

Dbl Clk - Start-Stop Rotation
RMB - Cycle Display Modes
Drag1 - Manipulate Crystal
Drag2 - Resize

S - Stereo
I - Indicies
<space> - Start-Stop Rotation
F - Fit to Screen
M - Menu

Help on Above

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

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Physical Properties of Stibnite

Help on Cleavage: Cleavage: {010} Perfect
Help on Color: Color: Lead gray, Bluish lead gray, Steel gray, Black.
Help on Density: Density: 4.63
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Conchoidal - Fractures developed in brittle materials characterized by smoothly curving surfaces, (e.g. quartz).
Help on Habit: Habit: Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Help on Habit: Habit: Prismatic - Crystals Shaped like Slender Prisms (e.g. tourmaline).
Help on Habit: Habit: Striated - Parallel lines on crystal surface or cleavage face.
Help on Hardness: Hardness: 2 - Gypsum
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Metallic
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: blackish gray

Optical Properties of Stibnite

Help on RL Anisotrophism: RL Anisotrophism: Strong.
Help on RL Color: RL Color: White.
Help on Reflectivity 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
   0%   30%   60%   90% 100% 120% 150% 180% 210% 240% 270% 280%

Calculated Properties of Stibnite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.03 gm/cc
note: Specific Gravity of Stibnite =4.56 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0021239012
Boson Index = 0.9978760988
Help on Photoelectric: Photoelectric: PEStibnite = 240.35 barns/electron
U=PEStibnite x rElectron Density= 967.90 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Stibnite is Not Radioactive

Stibnite Classification

Help on  Dana Class: Dana Class: (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) Stibnite Sb2S3 Pbnm 2/m 2/m 2/m Antimonselite Sb2Se3 Pbnm 2/m 2/m 2/m Bismuthinite Bi2S3 Pbnm 2/m 2/m 2/m Guanajuatite Bi2Se3 Pbnm 2/m 2/m 2/m
Help on  Strunz Class: 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

Help on References: References: NAME( Sinkankas66) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: 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
19 - YupRocks
20 - theimage

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Dana No: Strunz No: 02.DB.05a





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