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Murchisite

Collectors Summary

Crystal System trigonal, P31c

Additional information / Summary

Ein Mineral vom Murchison-Meteorit, der in einem Meteoritenschauer am 28. September 1969 in der Nähe von Murchison, Victoria, Australien niederging.

Chemism

Chem­ical formula

Cr5S6

Chem­ical com­po­si­tion

Chrom, Schwefel

Unit weight: 452.3738 u; Number of atoms in the formula: 11

Info

Empirical formula:

Cr5S6

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Sulfur

S

42.53

6

54.55

32.0655000

192.3930000

Chromium

Cr

57.47

5

45.45

51.9961600

259.9808000

Anal­y­sis wt%

S : 42.87, Cr : 53.32, Fe : 1.14, V : 1.44 (Ref: American Mineralogist 2011)

Strunz 9th edi­tion incl. updates

2.DA.

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
D: Metallsulfide mit M:S = 3:4 und 2:3
A: M:S = 3:4

Lapis Clas­sifica­tion

II/D.05-005

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

Clas­sifica­tion by Hölzel

2.CC.410

2: SULFIDES
C: Sulfides (etc) with Me/S=1/1
C: With Pd,Pt, etc. - Coordination Number ~[4], Planar
4: Pyrrhotite-Group

IMA sta­tus

anerkannt - April 2010, Murchisite, IMA 2010-003. CNMNC Newsletter, April 2010, page 377; Mineralogical Magazine, 74, 375-377.

Min­eral sta­tus

anerkanntes Mineral

Crystallography

Crystal Sys­tem

trigonal

Class (H-M)

3m

Space Group number

163

Space Group

P31c

Cell param­e­ters a (Å)

5.982

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

11.509

Cell param­e­ters a/b or c/a

1.924

Cell param­e­ters c/b

-

Z

2

Volumne (ų)

356.665

Kristall struc­ture

Struktur einer synthetischen Phase ist bekannt

X-Ray Pow­der Diffrac­tion

4.724(27), 3.083(16), 2.991(62), 2.877(32), 2.654(77), 2.074(77), 1.727(82), 1.327(20)

XRD chart Murchisite

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

Crystal Structure 3D

Open larger view

Physical Properties

Density (g/cm³)

4.212 ( ρ calc. Mineralienatlas )

Preface

Author (Name, Year)

Chi Ma, 2010

References

Ma C, Beckett JR, Rossman GR (2010) Discovery of a new chromium sulfide mineral, Cr5S6, in Murchison. Meteoritics & Planetary Science, 45, Suppl, Axxx.

http://www.its.caltech.edu/chima/

Murchisite, IMA 2010-003. CNMNC Newsletter, April 2010, page 377; Mineralogical Magazine, 74, 375-377.

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

Murchisite

Cr5S6

trigonal : 3m : P31c

2.DA.

Indite

Fe2+In2S4

kubisch : m3m : Fd3m

2.DA.05

Greigite

Fe2+Fe3+2S4

kubisch : m3m : Fd3m

2.DA.05

Linnaeite

Co2+Co3+2S4

kubisch : m3m : Fd3m

2.DA.05

Malanite

Cu(Pt,Ir)2S4

kubisch : m3m : Fd3m

2.DA.05

'Dayingite'

CuCoPtS4

kubisch : m3m : Fd3m

2.DA.05

Siegenite

(Ni,Co)3S4

kubisch : m3m : Fd3m

2.DA.05

Violarite

Fe2+Ni3+2S4

kubisch : m3m : Fd3m

2.DA.05

Carrollite

Cu(Co,Ni)2S4

kubisch : m3m : Fd3m

2.DA.05

Kalininite

ZnCr2S4

kubisch : m3m : Fd3m

2.DA.05

Polydymite

NiNi2S4

kubisch : m3m : Fd3m

2.DA.05

Tyrrellite

(Cu,Co,Ni)3Se4

kubisch : m3m : Fd3m

2.DA.05

Cadmoindite

CdIn2S4

kubisch : m3m : Fd3m

2.DA.05

Fletcherite

Cu(Ni,Co)2S4

kubisch : m3m : Fd3m

2.DA.05

Bornhardtite

Co2+Co3+2Se4

kubisch : m3m : Fd3m

2.DA.05

Florensovite

Cu(Cr1.5Sb0.5)S4

kubisch : m3m : Fd3m

2.DA.05

Trüstedtite

Ni3Se4

kubisch : m3m : Fd3m

2.DA.05

Xingzhongite

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

kubisch : m3m : Fd3m

2.DA.05

Cuproiridsite

CuIr2S4

kubisch : m3m : Fd3m

2.DA.05

Cuprorhodsite

CuRh2S4

kubisch : m3m : Fd3m

2.DA.05

Daubréelite

Fe2+Cr2S4

kubisch : m3m : Fd3m

2.DA.05

Ferrorhodsite

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

kubisch : m3m : Fd3m

2.DA.05

Cuprokalininite

CuCr2S4

kubisch : m3m : Fd3m

2.DA.05

'Thiospinel Group'

AB2X4

kubisch : m3m : Fd3m

2.DA.05

Toyohaite

Ag2FeSn3S8

tetragonal : 4/m : I41/a

2.DA.10

Rhodostannite

(Cu,Ag)2FeSn3S8

tetragonal : 4/m : I41/a

2.DA.10

Nickeltyrrellite

CuNi2Se4

kubisch : m3m : Fd3m

2.DA.12

Heideite

(Fe,Cr)1.15(Ti,Fe)2S4

monoklin : 2/m : I2/m

2.DA.15

Brezinaite

Cr3S4

monoklin : 2/m : I2/m

2.DA.15

Wilkmanite

Ni3Se4

monoklin : 2/m : I2/m

2.DA.15

Inaglyite

PbCu3Ir8S16

hexagonal : 173, 168, 191, 147, 187 : P63, P6, P6/mmm, P622, P6m2

2.DA.20

Konderite

PbCu3Rh8S16

hexagonal : 6/m, 6, 6/mmm, 622, 6m2 : P6/m, P6, P6/mmm, P622, P6m2

2.DA.20

Kingstonite

Rh3S4

monoklin : 2/m : C2/m

2.DA.25

Zaykovite

Rh3Se4

monoklin : 2/m : C2/m

2.DA.25

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

Murchisite

Cr5S6

trigonal : 3m : P31c

II/D.05-005

Brezinaite

Cr3S4

monoklin : 2/m : I2/m

II/D.05-010

Wilkmanite

Ni3Se4

monoklin : 2/m : I2/m

II/D.05-020

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

Troilite

FeS

hexagonal : 6m2 : P62c

2.CC.400

Murchisite

Cr5S6

trigonal : 3m : P31c

2.CC.410

Smythite

(Fe,Ni)3+xS4 {x≈0-0.3}

trigonal : 3m : R3m

2.CC.420

Pyrrhotite

Fe1-xS

2.CC.450

IMA Number

IMA 2010-003

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

German pages

DeWikiPedia - search for: Murchisit
Google-Bilder-Suche - search for: Murchisit
Mineralogisch-Petrographisches-Institut Hamburg - search for: Murchisit

English pages

Mindat - search for: Murchisite
Webmineral - search for:Murchisite
Handbook-of-Mineralogy - search for: Murchisite
RRUFF - Raman, XRD and other mineral data - search for: Murchisite
RRUFF - References and PDF downloads - search for: Murchisite
American-Mineralogist-Crystal-Structure-Database - search for: Murchisite
Athena - search for: Murchisite

Mineral Dealer

German pages

hausen - Mineralgroßhandel - search for: Murchisit
Crystal-Treasure.com - search for: Murchisit
Bosse - search for: Murchisit

Locations with GPS information