Mineralogy Database

Paracostibite Mineral Data

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General Paracostibite Information

Help on Chemical  Formula: Chemical Formula: CoSbS
Help on Composition: Composition: Molecular Weight = 212.75 gm
   Cobalt    27.70 %  Co
   Antimony  57.23 %  Sb
   Sulfur    15.07 %  S
            100.00 % 
Help on Empirical Formula: Empirical Formula: CoSbS
Help on Environment: Environment: Massive base-metal sulfide deposit in a carbonatized chlorite-anthophyllite schist that is most likely an altered mafic rock.
Help on IMA Status: IMA Status: Approved IMA 1970
Help on Locality: Locality: Drill core from Trout Bay, Red Lake, Mulcahy Township, Kenora district, Ontario, Canada Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for the chemical composition and probable structural relationship to pararammelsbergite.
Help on Name Pronunciation: Name Pronunciation: Paracostibite + Pronunciation Say PARACOSTIBITE
Help on Synonym: Synonym: ICSD 40045
  PDF 23-106

Paracostibite Image

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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

Paracostibite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.9684:1:1.9548
Help on Cell Dimensions: Cell Dimensions: a = 5.764, b = 5.952, c = 11.635, Z = 8; V = 399.17 Den(Calc)= 7.08
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: P bca
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.555(1), 2.035(0.8), 5.813(0.8),

Physical Properties of Paracostibite

Help on Color: Color: Gray white, White.
Help on Density: Density: 6.9
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Irregular Grains - Occurs as splotchy, anhedral crystals forming inclusions in other minerals or rocks.
Help on Hardness: Hardness: 7 - Quartz
Help on Luster: Luster: Metallic

Optical Properties of Paracostibite

Help on RL Anisotrophism: RL Anisotrophism: Weak, faint pink to pale buff.
Help on RL Color: RL Color: White with a faint grayish tinge.
Help on RL Pleochroism: RL Pleochroism: Weak.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Paracostibite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   47.80   47.90 
 420 nm   48.00   48.50 
 440 nm   48.20   48.90 
 460 nm   48.20   48.90 
 480 nm   48.20   49.20 
 500 nm   48.40   49.60 
 520 nm   48.70   49.60 
 540 nm   48.90   49.40 
 560 nm   49.00   49.30 
 580 nm   49.20   49.20 
 600 nm   49.50   49.30 
 620 nm   49.70   49.60 
 640 nm   49.90   49.90 
 660 nm   50.20   50.30 
 680 nm   50.30   50.60 
 700 nm   50.50   50.90 
Calculated Relative Intensity Colors of Paracostibite in Air
   0%   20%   40%   60%   80% 100% 120% 140% 160% 180% 190%

Calculated Properties of Paracostibite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.26 gm/cc
note: Specific Gravity of Paracostibite =7.08 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0011304155
Boson Index = 0.9988695845
Help on Photoelectric: Photoelectric: PEParacostibite = 201.52 barns/electron
U=PEParacostibite x rElectron Density=1,260.77 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Paracostibite is Not Radioactive

Paracostibite Classification

Help on  Dana Class: Dana Class: (02)Sulfides - Including Selenides and Tellurides
  (02.12)where Am Bn Xp, with (m+n):p=1:2
  (02.12.07)Costibite Group (Orthorhombic Cobalt Arsenides or Antimonides) Costibite CoSbS P mn21 mm2 Paracostibite CoSbS P bca 2/m 2/m 2/m Oenite! CoSbAs Unk Ortho
Help on  Strunz Class: Strunz Class: 02.EB.10e 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf
  02.E - Metal Sulfides, M:S � 1:2
  02.EB -M:S = 1:2, with Fe, Co, Ni, PGE, etc.
02.EB.10e Pararammelsbergite NiAs2 Pbma 2/m 2/m 2/m
02.EB.10e Paracostibite CoSbS P bca 2/m 2/m 2/m

Other Paracostibite Information

Help on References: References: NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: 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

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Dana No: Strunz No: 02.EB.10e





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