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![Mineralogy Database Mineralogy Database](/images/Hedyphane_Crystal.gif) |
Paracostibite Mineral Data
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General Paracostibite Information
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Chemical Formula: |
CoSbS |
Composition: |
Molecular Weight = 212.75 gm |
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Cobalt 27.70 % Co |
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Antimony 57.23 % Sb |
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Sulfur 15.07 % S |
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______ |
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100.00 % |
Empirical Formula: |
CoSbS |
Environment: |
Massive base-metal sulfide deposit in a carbonatized chlorite-anthophyllite schist that is most likely an altered mafic rock. |
IMA Status: |
Approved IMA 1970 |
Locality: |
Drill core from Trout Bay, Red Lake, Mulcahy Township, Kenora district, Ontario, Canada Link to MinDat.org Location Data. |
Name Origin: |
Named for the chemical composition and probable structural relationship to pararammelsbergite. |
Name Pronunciation: |
Paracostibite + Pronunciation |
Synonym: |
ICSD 40045 |
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IMA1969-023 |
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PDF 23-106 |
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Paracostibite Image |
Images:
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Paracostibite
Comments: Photomicrograph showing four groups of paracostibite grains (white) associated with sphalerite (grey), and chalcopyrite (liglit grey). Dark areas are pits. (CanMin v 10:232).
Location: Drill-core from claims held by Cochenour Willans Gold Mines Ltd. in Mulcahy Township, District of Kenora, Red Lake Mining Division, Ontario, Canada.
Scale: See Image.
© Canadian Mineralogist |
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Paracostibite Crystallography
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Axial Ratios: |
a:b:c =0.9684:1:1.9548 |
Cell Dimensions: |
a = 5.764, b = 5.952, c = 11.635, Z = 8; V = 399.17 Den(Calc)= 7.08 |
Crystal System: |
Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P bca |
X Ray Diffraction: |
By Intensity(I/Io): 2.555(1), 2.035(0.8), 5.813(0.8), |
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Physical Properties of Paracostibite
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Color: |
Gray white, White. |
Density: |
6.9 |
Diaphaneity: |
Opaque |
Habit: |
Irregular Grains - Occurs as splotchy, anhedral crystals forming inclusions in other minerals or rocks. |
Hardness: |
7 - Quartz |
Luster: |
Metallic |
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Optical Properties of Paracostibite
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RL Anisotrophism: |
Weak, faint pink to pale buff. |
RL Color: |
White with a faint grayish tinge. |
RL Pleochroism: |
Weak. |
Reflectivity |
Standardized Intensity (100%) Reflection Spectra of Paracostibite in Air
λ |
R1 |
R2 |
![](../images/Reflect_scale_v.gif) |
∑ R1(λ) |
∑ R2(λ) |
400 nm |
47.80 |
47.90 |
![](../images/400nm.BMP)
![](../images/400nm.BMP) |
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420 nm |
48.00 |
48.50 |
![](../images/420nm.BMP)
![](../images/420nm.BMP) |
440 nm |
48.20 |
48.90 |
![](../images/440nm.BMP)
![](../images/440nm.BMP) |
460 nm |
48.20 |
48.90 |
![](../images/460nm.BMP)
![](../images/460nm.BMP) |
480 nm |
48.20 |
49.20 |
![](../images/480nm.BMP)
![](../images/480nm.BMP) |
500 nm |
48.40 |
49.60 |
![](../images/500nm.BMP)
![](../images/500nm.BMP) |
520 nm |
48.70 |
49.60 |
![](../images/520nm.BMP)
![](../images/520nm.BMP) |
540 nm |
48.90 |
49.40 |
![](../images/540nm.BMP)
![](../images/540nm.BMP) |
560 nm |
49.00 |
49.30 |
![](../images/560nm.BMP)
![](../images/560nm.BMP) |
580 nm |
49.20 |
49.20 |
![](../images/580nm.BMP)
![](../images/580nm.BMP) |
600 nm |
49.50 |
49.30 |
![](../images/600nm.BMP)
![](../images/600nm.BMP) |
620 nm |
49.70 |
49.60 |
![](../images/620nm.BMP)
![](../images/620nm.BMP) |
640 nm |
49.90 |
49.90 |
![](../images/640nm.BMP)
![](../images/640nm.BMP) |
660 nm |
50.20 |
50.30 |
![](../images/660nm.BMP)
![](../images/660nm.BMP) |
680 nm |
50.30 |
50.60 |
![](../images/680nm.BMP)
![](../images/680nm.BMP) |
700 nm |
50.50 |
50.90 |
![](../images/700nm.BMP)
![](../images/700nm.BMP) |
Calculated Relative Intensity Colors of Paracostibite in Air
Relative Intensity |
0% |
20% |
40% |
60% |
80% |
100% |
120% |
140% |
160% |
180% |
190% |
R1 |
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R2 |
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Calculated Properties of Paracostibite
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Electron Density: |
Bulk Density (Electron Density)=6.26 gm/cc note: Specific Gravity of Paracostibite =7.08 gm/cc. |
Fermion Index: |
Fermion Index = 0.0011304155 Boson Index = 0.9988695845 |
Photoelectric: |
PEParacostibite = 201.52 barns/electron U=PEParacostibite x rElectron Density=1,260.77 barns/cc. |
Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units) Paracostibite is Not Radioactive |
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Paracostibite Classification
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Dana Class: |
02.12.07.02 (02)Sulfides - Including Selenides and Tellurides |
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(02.12)where Am Bn Xp, with (m+n):p=1:2 |
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(02.12.07)Costibite Group (Orthorhombic Cobalt Arsenides or Antimonides) |
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02.12.07.01 Costibite CoSbS P mn21 mm2 |
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02.12.07.02 Paracostibite CoSbS P bca 2/m 2/m 2/m |
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02.12.07.03 Oenite! CoSbAs Unk Ortho |
Strunz Class: |
02.EB.10e 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf |
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02.E - Metal Sulfides, M:S � 1:2 |
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02.EB -M:S = 1:2, with Fe, Co, Ni, PGE, etc. |
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02.EB.10e Pararammelsbergite NiAs2 Pbma 2/m 2/m 2/m |
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02.EB.10e Paracostibite CoSbS P bca 2/m 2/m 2/m |
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Other Paracostibite Information
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References: |
NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1) |
See Also: |
Links to other databases for Paracostibite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
15 - WWW-MINCRYST
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Paracostibite
CoSbS
Dana No: 02.12.07.02 Strunz No: 02.EB.10e
Locality:
Notes:
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