General Stibnite Information
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Chemical Formula: |
Sb2S3 |
Composition: |
Molecular Weight = 339.70 gm |
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Antimony 71.68 % Sb |
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Sulfur 28.32 % S |
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______ |
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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. |
Synonym: |
Antimonite |
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Antimony Glance |
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Gray Antimony |
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ICSD 15236 |
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PDF 42-1393 |
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Stibium |
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Stibnite Image |
Images:
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Stibnite
Comments: Prismatic crystals of metallic-lustered stibnite.
Location: Xikuangshan Mine, Lengshuijang, Hunan Province, China.
Scale: Crystal size 5-10 cm.
© Dave Barthelmy |
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Stibnite Crystallography
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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 |
X Ray Diffraction: |
By Intensity(I/Io): 2.764(1), 3.053(0.95), 3.556(0.7), |
Forms:
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Forms:
[ 0 1 0]
[ 1 1 1]
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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]
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Physical Properties of Stibnite
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Cleavage: |
[010] Perfect |
Color: |
Lead gray, Bluish lead gray, Steel gray, Black. |
Density: |
4.63 |
Diaphaniety: |
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: |
None. |
Luster: |
Metallic |
Magnetism: |
Nonmagnetic |
Streak: |
blackish gray |
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Optical Properties of Stibnite
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RL Anisotrophism: |
Strong. |
RL Color: |
White. |
Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Stibnite in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 400 nm |
34.20 |
55.20 |

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| 420 nm |
33.60 |
54.50 |

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| 440 nm |
33.00 |
53.80 |

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| 460 nm |
32.80 |
52.80 |

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| 480 nm |
32.80 |
51.80 |

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| 500 nm |
32.80 |
50.70 |

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| 520 nm |
32.80 |
49.50 |

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| 540 nm |
32.60 |
48.50 |

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| 560 nm |
31.80 |
46.80 |

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| 580 nm |
31.20 |
45.50 |

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| 600 nm |
30.70 |
44.40 |

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| 620 nm |
30.60 |
43.50 |

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| 640 nm |
30.80 |
42.60 |

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| 660 nm |
31.20 |
41.80 |

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| 680 nm |
31.00 |
41.20 |

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| 700 nm |
30.60 |
40.50 |

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Calculated Relative Intensity Colors of Stibnite in Air
Relative Intensity |
0% |
30% |
60% |
90% |
100% |
120% |
150% |
180% |
210% |
240% |
270% |
280% |
| R1 |
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| R2 |
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Calculated Properties of Stibnite
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Electron Density: |
relectron=4.03 gm/cc note: rStibnite =4.56 gm/cc. |
Fermion Index |
Fermion Index = 0.00212 Boson Index = 0.99788 |
Photoelectric: |
PEStibnite = 240.35 barns/electron U=PEStibnite x relectron= 967.90 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Stibnite is Not Radioactive |
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Stibnite Classification
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Dana Class: |
2.11.2.1 (2)Sulfides - Including Selenides and Tellurides |
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(2.11)where Am Bn Xp, with (m+n):p=2:3 |
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(2.11.2)Stibnite Group (Orthorhombic: Pbnm) |
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2.11.2.1 Stibnite Sb2S3 Pbnm 2/m 2/m 2/m |
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2.11.2.2 Antimonselite Sb2Se3 Pbnm 2/m 2/m 2/m |
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2.11.2.3 Bismuthinite Bi2S3 Pbnm 2/m 2/m 2/m |
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2.11.2.4 Guanajuatite Bi2Se3 Pbnm 2/m 2/m 2/m |
Strunz Class: |
II/D.08-20 II - Sulfides and sulphosalts |
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II/D - Sulfides with metal: sulfur, selenium and tellurium < 1:1, Tellurides with Copper, Silver, Gold |
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II/D.08 - Stibnite - Bismuthinite series |
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II/D.08-10 Paakkonenite Sb2AsS2 C 2/m 2/m |
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II/D.08-20 Stibnite Sb2S3 Pbnm 2/m 2/m 2/m |
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II/D.08-25 Antimonselite Sb2Se3 Pbnm 2/m 2/m 2/m |
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II/D.08-30 Metastibnite Sb2S3 None |
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II/D.08-40 Bismuthinite Bi2S3 Pbnm 2/m 2/m 2/m |
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II/D.08-50 Guanajuatite Bi2Se3 Pbnm 2/m 2/m 2/m |
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II/D.08-60 Ottemannite Sn2S3 Pnam 2/m 2/m 2/m |
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Other Stibnite Information
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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 - Applied Mineralogy
4 -Athena
5 - Crocoite.com Mineral Locations
6 - Franklin Minerals(Dunn)
7 - Glendale Community College
8 -Google Images
9 -Google Scholar
10 -Handbook of Mineralogy (UofA)
11 - HyperPhysics
12 -MinDAT
13 -MinMax(Deutsch)
14 -MinMax(English)
15 -Mineralienatlas (Deutsch)
16 - Philatelic Mineralogy
17 -QUT Mineral Atlas
18 - WWW-MINCRYST
19 - YupRocks
20 -theimage
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Stibnite
Sb2S3
Dana No: 2.11.2.1 Strunz No: II/D.08-20
Locality:
Notes:
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