Clinosafflorite Mineral Data

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General Clinosafflorite Information

Chemical Formula:

(Co,Fe,Ni)As2

Composition:

Molecular Weight = 207.83 gm

Iron 8.06 % Fe

Cobalt 17.01 % Co

Nickel 2.82 % Ni

Arsenic 72.10 % As

______

100.00 %

Empirical Formula:

Co_0.6Fe²⁺_0.3Ni_0.1As₂

Environment:

In hydrothermal Co-Ni ores.

IMA Status:

Approved IMA 1971

Locality:

From Cobalt, Ontario, Canada. Link to MinDat.org Location Data.

Name Origin:

In reference to the monoclinic symmetry of this safflorite-like species.

Synonym:

ICSD 42613

IMA1970-014

PDF 14-412

Clinosafflorite Image

Images:

Clinosafflorite

Comments: Silvery metallic granular clinosafflorite in rock.
Location: Nordmark, Varmland, Sweden. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Clinosafflorite Crystallography

Axial Ratios:

a:b:c =0.8597:1:0.5446

Cell Dimensions:

a = 5.04, b = 5.862, c = 3.193, Z = 2; beta = 90.213° V = 94.33 Den(Calc)= 7.32

Crystal System:

Monoclinic - PrismaticH-M Symbol (2/m) Space Group: P 2₁/n

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.531(1), 2.422(0.8), 2.427(0.8),

Crystal Structure:

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drag2 - RMB Resize/Rotate
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Kjekshus A , Acta Chemica Scandinavica , 25 (1971) p.411-422, On the properties of binary compounds, with the CoSb2 type crystal structure, Locality: synthetic

Physical Properties of Clinosafflorite

Cleavage:

None

Color:

Silver white, Tin white.

Density:

7.46

Diaphaneity:

Opaque

Hardness:

4.5-5 - Near Apatite

Luster:

Metallic

Optical Properties of Clinosafflorite

Reflectivity

**Standardized Intensity (100%) Reflection Spectra of Clinosafflorite in Air**
λ	R₁	R₂	∑ R₁(λ)	∑ R₂(λ)
400 nm	53.60	54.30
420 nm	54.40	54.80
440 nm	55.20	55.30
460 nm	55.30	55.50
480 nm	54.50	55.40
500 nm	53.60	55.20
520 nm	52.80	55.00
540 nm	52.00	54.70
560 nm	51.50	54.50
580 nm	51.00	54.20
600 nm	50.40	53.80
620 nm	50.00	53.50
640 nm	49.50	53.20
660 nm	49.20	52.80
680 nm	49.00	52.40
700 nm	48.80	52.00

**Calculated Relative Intensity Colors of Clinosafflorite in Air**
Relative Intensity	0%	20%	40%	60%	80%	100%	120%	140%	160%	180%
R₁
R₂

Calculated Properties of Clinosafflorite

Electron Density:

Bulk Density (Electron Density)=6.54 gm/cc
note: Specific Gravity of Clinosafflorite =7.32 gm/cc.

Fermion Index:

Fermion Index = 0.0020281686
Boson Index = 0.9979718314

Photoelectric:

PE_{Clinosafflorite}= 62.11 barns/electron
U=PE_{Clinosafflorite} x rElectron Density= 406.00 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Clinosafflorite is Not Radioactive

Clinosafflorite Classification

Dana Class:

02.12.04.06 (02)Sulfides - Including Selenides and Tellurides

(02.12)where Am Bn Xp, with (m+n):p=1:2

(02.12.04)Arsenopyrite Group (Monoclinic: P21/c (Pseudo-orthorhombic))

02.12.04.01 Arsenopyrite FeAsS P 2₁/c 2/m

02.12.04.02 Gudmundite FeSbS P 2₁/n 2/m

02.12.04.03 Osarsite (Os,Ru)AsS P 2₁/c 2/m

02.12.04.04 Ruarsite RuAsS P 2₁/c 2/m

02.12.04.05 Iridarsenite (Ir,Ru)As2 P 2₁/c 2/m

02.12.04.06 Clinosafflorite (Co,Fe,Ni)As2 P 2₁/n 2/m

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 Clinosafflorite Information

References:

NAME( AntBidBlaNic1) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic1)

See Also:

Links to other databases for Clinosafflorite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - Google Images
6 - Google Scholar
7 - Handbook of Mineralogy (MinSocAm)
8 - Handbook of Mineralogy (UofA)
9 - MinDAT
10 - MinMax(Deutsch)
11 - MinMax(English)
12 - Mineralienatlas (Deutsch)
13 - QUT Mineral Atlas
14 - Ruff.Info

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

Clinosafflorite

(Co,Fe,Ni)As2
Dana No: 02.12.04.06 Strunz No: 02.EB.15a
Locality:

Notes: