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Keilite

Additional Functions

Collectors Summary

Color grau
Hardness (Mohs) 4
Cleavages teilt sich in orthogonale Fragmente
Fracture mit dreieckigen Mustern
Crystal System kubisch, Fm3m

Chemism

Chem­ical formula

(Fe,Mg,Mn,Ca,Cr)S

Chem­ical com­po­si­tion

Calcium, Chrom, Eisen, Magnesium, Mangan, Schwefel

Unit weight: 78.95415799 u; Number of atoms in the formula: 2

Info

Empirical formula:

(Fe0.55Mg0.25Mn0.1Ca0.05Cr0.05)S

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Magnesium

Mg

7.70

0.25

12.50

24.3050600

6.0762650
Sulfur

S

40.61

1

50.00

32.0655000

32.0655000
Calcium

Ca

2.54

0.05

2.50

40.0784000

2.0039200
Chromium

Cr

3.29

0.05

2.50

51.9961600

2.5998080
Manganese

Mn

6.96

0.1

5.00

54.9380499

5.4938050
Iron

Fe

38.90

0.55

27.50

55.8452000

30.7148600

Anal­y­sis wt%

Fe : 39.45, Mg : 10.42, Mn : 3.42, Cr : 1.89, Ca : 2.23, S : 41.24 (Ref: Canadian Mineralogist 2002 and SC1967)

Strunz 9th edi­tion incl. updates

2.CD.10

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
C: Metallsulfide, M : S = 1 : 1 (und ähnliche)
D: mit Zinn (Sn), Blei (Pb), Quecksilber (Hg), usw.
10:Galenit-Gruppe

Lapis Clas­sifica­tion

II/C.15-005

II: SULFIDE UND SULFOSALZE (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide)
C: Sulfide mit Metall : S,Se,Te ~ 1:1

Clas­sifica­tion by Hölzel

2.CD.205

2: SULFIDES
C: Sulfides (etc) with Me/S=1/1
D: With Sn,Pb, etc. - Coordination Number ~[4+1]
2: Coordination Number ~[6] Galenite-Group

Dana 8th edi­tion

02.08.01.09

02: Sulfide Minerals
08: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=1:1
01: Galena Group (Isometric: Fm3m)

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

grau

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

m3m

Space Group number

225

Space Group

Fm3m

Cell param­e­ters a (Å)

5.172

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

-

Cell param­e­ters a/b or c/a

1

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

138.349

X-Ray Pow­der Diffrac­tion

2.985(10),
2.585(100),
1.828(60),
1.492(10),
1.292(10),
1.156(10),
1.055(10),
0.862(10)
XRD chart Keilite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

4

VHN (Hard­ness Vick­ers)

190 (ungefähre Angabe abgeleitet aus der Mohshärte)

Density (g/cm³)

3.958 (berechnet)

3.79 ( ρ calc. Mineralienatlas )

Cleav­ages

teilt sich in orthogonale Fragmente

Frac­ture

mit dreieckigen Mustern

(Co-)Type locality

(Co-)Type locality

Kanada/Alberta/Abee

Preface

Author (Name, Year)

Shimizu & Yoshida & Mandarino, 2002

References

American Mineralogist, Volume 92, pages 204–209, 2007

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Altaite

PbTe

kubisch : m3m : Fm3m

2.CD.10

Keilite

(Fe,Mg,Mn,Ca,Cr)S

kubisch : m3m : Fm3m

2.CD.10

Galena

PbS

kubisch : m3m : Fm3m

2.CD.10

Crerarite

(Pt,Pb)Bi3(S,Se)4-x

kubisch : m3m : Fm3m

2.CD.10

Oldhamite

(Ca,Mg,Fe,Mn)S

kubisch : m3m : Fm3m

2.CD.10

Alabandite

MnS

kubisch : m3m : Fm3m

2.CD.10

Niningerite

(Mg,Fe2+,Mn)S

kubisch : m3m : Fm3m

2.CD.10

Clausthalite

PbSe

kubisch : m3m : Fm3m

2.CD.10

Cuboargyrite

AgSbS2

kubisch : m3m : Fm3m

2.CD.10

Schapbachite

AgBiS2

kubisch : m3m : Fm3m

2.CD.10

Related minerals "Lapis Classification" [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

Keilite

(Fe,Mg,Mn,Ca,Cr)S

kubisch : m3m : Fm3m

II/C.15-005

Niningerite

(Mg,Fe2+,Mn)S

kubisch : m3m : Fm3m

II/C.15-010

Oldhamite

(Ca,Mg,Fe,Mn)S

kubisch : m3m : Fm3m

II/C.15-020

Alabandite

MnS

kubisch : m3m : Fm3m

II/C.15-030

Galena

PbS

kubisch : m3m : Fm3m

II/C.15-040

Clausthalite

PbSe

kubisch : m3m : Fm3m

II/C.15-050

Altaite

PbTe

kubisch : m3m : Fm3m

II/C.15-060

Crerarite

(Pt,Pb)Bi3(S,Se)4-x

kubisch : m3m : Fm3m

II/C.15-070

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Niningerite

(Mg,Fe2+,Mn)S

kubisch : m3m : Fm3m

2.CD.200

Keilite

(Fe,Mg,Mn,Ca,Cr)S

kubisch : m3m : Fm3m

2.CD.205

Alabandite

MnS

kubisch : m3m : Fm3m

2.CD.210

Oldhamite

(Ca,Mg,Fe,Mn)S

kubisch : m3m : Fm3m

2.CD.230

Galena

PbS

kubisch : m3m : Fm3m

2.CD.250

Clausthalite

PbSe

kubisch : m3m : Fm3m

2.CD.260

Altaite

PbTe

kubisch : m3m : Fm3m

2.CD.270

Related minerals "Dana 8. Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Galena

PbS

kubisch : m3m : Fm3m

 02.08.01.01

Clausthalite

PbSe

kubisch : m3m : Fm3m

 02.08.01.02

Altaite

PbTe

kubisch : m3m : Fm3m

 02.08.01.03

Alabandite

MnS

kubisch : m3m : Fm3m

 02.08.01.04

Oldhamite

(Ca,Mg,Fe,Mn)S

kubisch : m3m : Fm3m

 02.08.01.05

Niningerite

(Mg,Fe2+,Mn)S

kubisch : m3m : Fm3m

 02.08.01.06

Borovskite

Pd3SbTe4

kubisch : m3m : Fm3m

 02.08.01.07

Crerarite

(Pt,Pb)Bi3(S,Se)4-x

kubisch : m3m : Fm3m

 02.08.01.08

Keilite

(Fe,Mg,Mn,Ca,Cr)S

kubisch : m3m : Fm3m

 02.08.01.09

Sphalerite

(Zn,Fe)S

kubisch : 43m : F43m

 02.08.02.01

Stilleite

ZnSe

kubisch : 43m : F43m

 02.08.02.02

Metacinnabar

HgS

kubisch : 43m : F43m

 02.08.02.03

Tiemannite

HgSe

kubisch : 43m : F43m

 02.08.02.04

Coloradoite

HgTe

kubisch : 43m : F43m

 02.08.02.05

Hawleyite

CdS

kubisch : 43m : F43m

 02.08.02.06

Polhemusite

(Zn,Hg)S

 02.08.03.01

Xingzhongite

(Pb,Cu,Fe)(Ir,Pt,Rh)2S4

kubisch : m3m : Fd3m

 02.08.04.01

Cooperite

PtS

tetragonal : 4/mmm : P42/mmc

 02.08.05.01

Vysotskite

(Pd,Ni)S

tetragonal : 4/m : P42/m

 02.08.05.02

Braggite

(Pt,Pd,Ni)S

tetragonal : 4/m : P42/m

 02.08.05.03

Polarite

Pd(Pb,Bi)

orthorhombisch : mm2 : Ccm21

 02.08.06.01

Greenockite

CdS

hexagonal : 6mm : P63mc

 02.08.07.02

Cadmoselite

CdSe

hexagonal : 6mm : P63mc

 02.08.07.03

Rambergite

gamma-MnS

hexagonal : 6mm : P63mc

 02.08.07.04

Hypercinnabar

HgS

 02.08.08.01

CNMNC (IMA)-Number

IMA 2001-053

CNMNC symbol

Symbol

Ke

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

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English pages

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