Mineralogy Database

Safflorite Mineral Data

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General Safflorite Information

Help on Chemical  Formula: Chemical Formula: (Co,Fe)As2
Help on Composition: Composition: Molecular Weight = 208.00 gm
   Iron      6.71 %  Fe
   Cobalt   21.25 %  Co
   Arsenic  72.04 %  As
           ______ 
           100.00 % 
Help on Empirical Formula: Empirical Formula: Co0.75Fe2+0.25As2
Help on Environment: Environment: Hydrothermal veins of moderate temperature and presssure.
Help on IMA Status: IMA Status: Valid Species (Pre-IMA) 1835
Help on Locality: Locality: Schneeberg District, Erzgebirge, Saxony, GermanySchneeberg District, Erzgebirge, Saxony, Germany. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the German Safflor - "dyer's saffron."
Help on Name Pronunciation: Name Pronunciation: Safflorite + Pronunciation Say SAFFLORITE
 

Safflorite Image

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  Safflorite

Comments: Safflorite covering three faces of the specimen, with silver.
Location: Castle Mine (Castle-Tretheway Mine), Gowganda, Haultain Township, Timiskaming District, Ontario, Canada. Scale: 7x 3x 3.5 cm.
© Ibrahim Jameel / Khyber Mineral Company

Safflorite Crystallography

Help on Axial Ratios: Axial Ratios: a:b:c =0.8688:1:0.5036
Help on Cell Dimensions: Cell Dimensions: a = 5.173, b = 5.954, c = 2.999, Z = 2; V = 92.37 Den(Calc)= 7.48
Help on Crystal System: Crystal System: Orthorhombic - Dipyramidal H-M Symbol (2/m 2/m 2/m) Space Group: Pnnm
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.379(1), 2.572(0.8), 2.597(0.55),
Help on Forms: Forms:

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Help on Above

Forms: ( 0 1 0) ( 1 1 0) ( 1 2 0) ( 1 0 1)

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Physical Properties of Safflorite

Help on Cleavage: Cleavage: {010} Imperfect
Help on Color: Color: Gray, Dark gray, Tin white.
Help on Density: Density: 6.9 - 7.3, Average = 7.1
Help on Diaphaneity: Diaphaneity: Opaque
Help on Fracture: Fracture: Brittle - Generally displayed by glasses and most non-metallic minerals.
Help on Habit: Habit: Massive - Granular - Common texture observed in granite and other igneous rock.
Help on Habit: Habit: Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite)
Help on Hardness: Hardness: 4-5 - Fluorite-Apatite
Help on Luminescence: Luminescence: Non-fluorescent.
Help on Luster: Luster: Metallic
Help on Magnetism: Magnetism: Nonmagnetic
Help on Streak: Streak: grayish black
 

Optical Properties of Safflorite

Help on RL Anisotrophism: RL Anisotrophism: Strong.
Help on RL Color: RL Color: White.
Help on RL Pleochroism: RL Pleochroism: Weak.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Safflorite in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   55.80   52.60 
   
 420 nm   55.80   53.00 
 440 nm   55.80   53.40 
 460 nm   55.60   53.80 
 480 nm   55.20   54.10 
 500 nm   54.70   54.30 
 520 nm   54.20   54.40 
 540 nm   53.50   54.50 
 560 nm   52.80   54.50 
 580 nm   52.20   54.50 
 600 nm   51.80   54.40 
 620 nm   51.30   54.30 
 640 nm   51.00   54.20 
 660 nm   50.70   54.10 
 680 nm   50.50   53.90 
 700 nm   50.30   53.80 
Calculated Relative Intensity Colors of Safflorite in Air
Relative
Intensity
   0%   20%   40%   60%   80% 100% 120% 140% 160% 170%
R1                    
R2                    
 

Calculated Properties of Safflorite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=6.67 gm/cc
note: Specific Gravity of Safflorite =7.48 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0014229913
Boson Index = 0.9985770087
Help on Photoelectric: Photoelectric: PESafflorite = 62.03 barns/electron
U=PESafflorite x rElectron Density= 413.81 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Safflorite is Not Radioactive
 

Safflorite Classification

Help on  Dana Class: Dana Class: 02.12.02.11 (02)Sulfides - Including Selenides and Tellurides
  (02.12)where Am Bn Xp, with (m+n):p=1:2
  (02.12.02)Marcasite Group (Orthorhombic: Pnnm)
 
02.12.02.01 Marcasite FeS2 Pnnm 2/m 2/m 2/m
 
02.12.02.02 Ferroselite FeSe2 Pnnm 2/m 2/m 2/m
 
02.12.02.03 Frohbergite FeTe2 Pnnm 2/m 2/m 2/m
 
02.12.02.04 Hastite? CoSe2 Pnnm 2/m 2/m 2/m
 
02.12.02.05 Mattagamite CoTe2 Pnnm 2/m 2/m 2/m
 
02.12.02.06 Kullerudite NiSe2 Pnnm 2/m 2/m 2/m
 
02.12.02.07 Omeiite (Os,Ru)As2 Pnnm 2/m 2/m 2/m
 
02.12.02.08 Anduoite (Ru,Os)As2 Pnnm 2/m 2/m 2/m
 
02.12.02.09 Lollingite FeAs2 Pnnm 2/m 2/m 2/m
 
02.12.02.10 Seinajokite (Fe,Ni)(Sb,As)2 Pnnm 2/m 2/m 2/m
 
02.12.02.11 Safflorite (Co,Fe)As2 Pnnm 2/m 2/m 2/m
 
02.12.02.12 Rammelsbergite NiAs2 Pnnm 2/m 2/m 2/m
 
02.12.02.13 Nisbite NiSb2 Pnnm 2/m 2/m 2/m
Help on  Strunz Class: Strunz Class: 02.EB.15a 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.15a Clinosafflorite (Co,Fe,Ni)As2 P 21/n 2/m
 
02.EB.15a Anduoite (Ru,Os)As2 Pnnm 2/m 2/m 2/m
 
02.EB.15a Lollingite FeAs2 Pnnm 2/m 2/m 2/m
 
02.EB.15a Omeiite (Os,Ru)As2 Pnnm 2/m 2/m 2/m
 
02.EB.15a Nisbite NiSb2 Pnnm 2/m 2/m 2/m
 
02.EB.15a Rammelsbergite NiAs2 Pnnm 2/m 2/m 2/m
 
02.EB.15a Safflorite (Co,Fe)As2 Pnnm 2/m 2/m 2/m
 

Other Safflorite Information

Help on References: References: NAME( Duda&Rejl90) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)
Help on See Also: See Also: Links to other databases for Safflorite :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - EUROmin Project
5 - Ecole des Mines de Paris
6 - Franklin Minerals(Dunn)
7 - GeoScienceWorld
8 - Google Images
9 - Google Scholar
10 - Handbook of Mineralogy (MinSocAm)
11 - HyperPhysics
12 - MinDAT
13 - Mineral and Gemstone Kingdom
14 - Mineralienatlas (Deutsch)
15 - Online Mineral Museum
16 - QUT Mineral Atlas
17 - Ruff.Info
18 - WWW-MINCRYST

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Print or Cut-and-Paste your Safflorite Specimen Label here :

Safflorite

(Co,Fe)As2
Dana No: 02.12.02.11 Strunz No: 02.EB.15a
Locality:

 

Notes:

 

 
   
 


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