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Stibarsen Mineral Data
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General Stibarsen Information
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 Chemical Formula: |
SbAs |
| Composition: |
Molecular Weight = 196.67 gm |
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Antimony 61.91 % Sb |
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Arsenic 38.09 % As |
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______ |
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100.00 % |
| Empirical Formula: |
SbAs |
| Environment: |
Hydrothermal veins and granite pegmatites. |
| IMA Status: |
Valid Species (Pre-IMA) 1941 |
| Locality: |
Varutr�sk pegmatite, Boliden, Skellefte�, V�sterbotten, Sweden. Link to MinDat.org Location Data. |
| Name Origin: |
Named for its composition of antimony (Latin=stibium) and arsenic. |
| Name Pronunciation: |
Stibarsen + Pronunciation  |
| Synonym: |
Allemontite |
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ICSD 42576 |
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PDF 31-80 |
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Stibarsen Image |
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Images:
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Images:
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Vaughanite Paakkonenite Stibarsen
Comments: B&W image of vaughanite (Va) aggregate surrounding a fibrous bundle of paakkonenite (Pfi) and associated with stibarsen (Star) and realgar (Re). Oil immersion. (CanMin, v53:369).
Location: Rare primary constituent of the Golden Giant orebody of the Hemlo gold deposit, Hemlo, Ontario, Canada.
Scale: See Image.
© Canadian Mineralogist |
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Stibarsen Crystallography
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| Axial Ratios: |
a:c = 1:2.68656 |
| Cell Dimensions: |
a = 4.02, c = 10.8, Z = 3; V = 151.15 Den(Calc)= 6.48 |
| Crystal System: |
Trigonal - Hexagonal Scalenohedral H-M Symbol (3 2/m) Space Group: R 3m |
| X Ray Diffraction: |
By Intensity(I/Io): 2.92(1), 2.01(0.7), 2.13(0.6), |
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Physical Properties of Stibarsen
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| Cleavage: |
{???} Perfect |
| Color: |
White, Gray, Grayish white, Reddish white. |
| Density: |
6.1 - 6.2, Average = 6.15 |
| Diaphaneity: |
Opaque |
| Habit: |
Reniform - "Kidney like" in shape (e.g.. hematite). |
| Hardness: |
3-4 - Calcite-Fluorite |
| Luminescence: |
Non-fluorescent. |
| Luster: |
Metallic |
| Magnetism: |
Nonmagnetic |
| Streak: |
grayish black |
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Optical Properties of Stibarsen
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| Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Stibarsen in Air
| λ |
R1 |
R2 |
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∑ R1(λ) |
∑ R2(λ) |
| 400 nm |
64.80 |
67.80 |
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| 420 nm |
65.00 |
68.00 |
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| 440 nm |
65.20 |
68.20 |
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| 460 nm |
64.80 |
67.90 |
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| 480 nm |
64.00 |
67.20 |
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| 500 nm |
63.00 |
66.80 |
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| 520 nm |
62.30 |
66.60 |
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| 540 nm |
61.60 |
66.30 |
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| 560 nm |
61.20 |
66.00 |
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| 580 nm |
60.80 |
65.90 |
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| 600 nm |
60.50 |
65.80 |
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| 620 nm |
60.30 |
65.70 |
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| 640 nm |
60.10 |
65.80 |
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| 660 nm |
60.00 |
66.20 |
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| 680 nm |
59.80 |
66.30 |
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| 700 nm |
59.60 |
66.40 |
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Calculated Relative Intensity Colors of Stibarsen in Air
Relative
Intensity |
0% |
20% |
40% |
60% |
80% |
100% |
120% |
140% |
150% |
| R1 |
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| R2 |
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Calculated Properties of Stibarsen
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| Electron Density: |
Bulk Density (Electron Density)=5.54 gm/cc
note: Specific Gravity of Stibarsen =6.48 gm/cc.
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| Fermion Index: |
Fermion Index = 0
Boson Index = 1 |
| Photoelectric: |
PEStibarsen = 241.81 barns/electron
U=PEStibarsen x rElectron Density=1,338.51 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Stibarsen is Not Radioactive |
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Stibarsen Classification
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| Dana Class: |
01.03.01.03 (01)Native Elements |
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(01.03)with semi-metallic and non-metallic elements |
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(01.03.01)Arsenic group |
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01.03.01.01 Arsenic As R 3m 3 2/m |
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01.03.01.02 Antimony Sb R 3m 3 2/m |
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01.03.01.03 Stibarsen SbAs R 3m 3 2/m |
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01.03.01.04 Bismuth Bi R 3m 3 2/m |
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01.03.01.05 Stistaite SnSb R 3m 3 2/m |
| Strunz Class: |
01.CA.05 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides) |
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01.C - Metalloids and Nonmetals |
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01.CA -Arsenic group elements |
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01.CA.05 Bismuth Bi R 3m 3 2/m |
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01.CA.05 Antimony Sb R 3m 3 2/m |
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01.CA.05 Arsenic As R 3m 3 2/m |
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01.CA.05 Stibarsen SbAs R 3m 3 2/m |
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Other Stibarsen Information
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| References: |
NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
| See Also: |
Links to other databases for Stibarsen :
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 - HyperPhysics
12 - MinDAT
13 - Mineral and Gemstone Kingdom
14 - Mineralienatlas (Deutsch)
15 - Online Mineral Museum
16 - QUT Mineral Atlas
17 - Ruff.Info
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Stibarsen
SbAs
Dana No: 01.03.01.03 Strunz No: 01.CA.05
Locality:
Notes:
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