Kieftite Mineral Data (original) (raw)

General Kieftite Information

Help on Chemical Formula: Chemical Formula:

CoSb3

Help on Composition: Composition:

Molecular Weight = 424.18 gm

Cobalt 13.89 % Co

Antimony 86.11 % Sb

______

100.00 %

Help on Empirical Formula: Empirical Formula:

CoSb3

Help on IMA Status: IMA Status:

Approved IMA 1994

Help on Locality: Locality:

Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named in 1994 for Cornelis Kieft (b.1924), Dutch mineralogist.

Help on Name Pronunciation: Name Pronunciation:

Kieftite Say KIEFTITE

Help on Synonym: Synonym:

ICSD 62110

PDF 47-1769

Kieftite Image

Click Here for Larger Kieftite Image in a New Browser Window Images:

Click Here for Larger Kieftite Image Kieftite Comments: Euhedral kieftite (Kf) crystal in chalcopyrite (Cp) with bismuth (bi) and bornite (Bn). CanMin 32:179. Location: Tunaberg C u-Co-sulfide skam ores, southeastem Bergslagen, Sweden.Scale: Crystal size 80 µm. © Canadian Mineralogist

Kieftite Crystallography

Help on Cell Dimensions: Cell Dimensions:

a = 9.0411, Z = 8; V = 739.03 Den(Calc)= 7.62

Help on Crystal System: Crystal System:

Isometric - DiploidalH-M Symbol (2/m 3) Space Group: I m3

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 2.86(1), 0.933(0.8), 2.02(0.8),

Click Here for Large Kieftite Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
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Help on Above

| | Dobbe R T M , Lustenhouwer W J , Zakrzewski M A , Goubitz K , Fraanje J , Schenk H , The Canadian Mineralogist , 32 (1994) p.179-183, Kieftite, CoSb3, a new member of the skutterudite group from Tunaberg, Sweden, Locality: Tunaberg, Sweden | | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |

Physical Properties of Kieftite

Help on Cleavage: Cleavage:

None

Help on Color: Color:

Tin white.

Help on Density: Density:

7.2

Help on Diaphaneity: Diaphaneity:

Opaque

Help on Hardness: Hardness:

5-5.5 - Apatite-Knife Blade

Help on Luster: Luster:

Metallic

Help on Streak: Streak:

gray

Calculated Properties of Kieftite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=6.47 gm/cc
note: Specific Gravity of Kieftite =7.62 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0
Boson Index = 1

Help on Photoelectric: Photoelectric:

PEKieftite = 303.60 barns/electron
U=PEKieftite x rElectron Density=1,963.41 barns/cc.

Help on Radioactivity: Radioactivity:

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

Kieftite Classification

Help on Dana Class: Dana Class:

02.12.17.03 (02)Sulfides - Including Selenides and Tellurides

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

(02.12.17)Skutterudite Series

02.12.17.01 Skutterudite (Co,Ni)As3-x I m3 2/m 3

02.12.17.02 Nickelskutterudite (Ni,Co)As3-x I m3 2/m 3

02.12.17.03 Kieftite CoSb3 I m3 2/m 3

02.12.17.04 Ferroskutterudite! (Fe,Co)As3 Im3 2/m 3

Help on Strunz Class: Strunz Class:

02.EC.05 02 - SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulf

02.E - Metal Sulfides, M:S � 1:2

02.EC -M:S = 1:>2

02.EC.05 Dienerite? Ni3As I 43d 4 3m

02.EC.05 Kieftite CoSb3 I m3 2/m 3

02.EC.05 Nickelskutterudite (Ni,Co)As3-x I m3 2/m 3

02.EC.05 Skutterudite (Co,Ni)As3-x I m3 2/m 3

02.EC.05 Ferroskutterudite! (Fe,Co)As3 Im3 2/m 3

Other Kieftite Information

Help on References: References:

NAME( Dana8) PHYS. PROP.(37th List of New Min.,Min. Mag.,1996)

Help on See Also: See Also:

Links to other databases for Kieftite :
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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Print or Cut-and-Paste your Kieftite Specimen Label here :

Kieftite

CoSb3
Dana No: 02.12.17.03 Strunz No: 02.EC.05
Locality:

Notes: