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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

Other languages

German

Keilit

Spanish

Keilita

French

Keilite

English

Keilite

Russian

Кейлит

Traditional Chinese

硫鎂鐵礦

Simplified Chinese

硫镁铁矿

CNMNC (IMA)-Number

IMA 2001-053

CNMNC symbol

Symbol

Ke

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

German pages

 DeWikiPedia - search for: Keilit
Google-Bilder-Suche - search for: Keilit
Mineralienatlas.de (Forum) - search for: Keilit

English pages

 Mindat - search for: Keilite
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RRUFF - Raman, XRD and other mineral data - search for: Keilite
RRUFF - References and PDF downloads - search for: Keilite
American-Mineralogist-Crystal-Structure-Database - search for: Keilite
Strahlen.org - search for: Keilite

Russian pages

 Webmineral.ru - search for: Кейлит

Mineral Dealer

German pages

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