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Daubréelite

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Daubréelith
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Daubréelith

grauschwarzer Daubréelith in Epoxidharz, Anschliff, Norton County Meteorit, Norton County, Kansas, USA; BB 1 mm

Copyright: Joy Desor
Contribution: openpit 2020-02-20
Locality: Norton County Meteorit / Norton Co. / Kansas / USA

Collectors Summary

Color schwarz-met.
Streak color braunschwarz
Lustre Metallglanz
Hardness (Mohs) 4.00 - 4.50
Cleavages deutlich
Fracture uneben
Solubility +++ HNO3, - HCl
Crystal System kubisch, Fd3m

Chemism

Chem­ical formula

Fe2+Cr2S4

Chem­ical com­po­si­tion

Chrom, Eisen, Schwefel

Unit weight: 288.09952 u; Number of atoms in the formula: 7

Info

Empirical formula:

FeCr2S4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Sulfur

S

44.52

4

57.14

32.0655000

128.2620000

Chromium

Cr

36.10

2

28.57

51.9961600

103.9923200

Iron

Fe

19.38

1

14.29

55.8452000

55.8452000

Anal­y­sis wt%

Fe : 19.40, Cr : 36.12, S : 44.49 (Ref: berechnet)

Strunz 9th edi­tion incl. updates

2.DA.05

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
05:Thiospinel/Linneit-Gruppe

Lapis Clas­sifica­tion

II/D.01-100

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

Clas­sifica­tion by Hölzel

2.DA.280

2: SULFIDES
D: With Me/S <1/1 and >1/2
A: Me/S=3/4 Thiospinels, etc
2: Carrollite-Group

Hey's Chem­ical Index of Min­er­als

03.08.04

03: Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
08: Sulphides etc. of Cr, Mo, W an Mn

Dana 8th edi­tion

02.10.01.11

02: Sulfide Minerals
10: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=3:4
01: Linnaeite Group (Isometric: Fd3m)

IMA sta­tus

Erstbeschreibung vor IMA Gründung 1959, vererbt, meist als Mineral von der CNMNC anerkannt

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

Spinel supergroup  ⇒ Thiospinel Group  ⇒ Linnaeite subgroup

Optical Properties

Color

schwarz-met.

Streak color

braunschwarz

Diaphane­ity (Trans­parency)

opak

Lus­tre

Metallglanz

Reflec­tiv­ity: (Lambda nm) ↓, ↑, Ø

(400) 33.30, , 33.30
(420) 33.20, , 33.20
(440) 33.10, , 33.10
(460) 33.00, , 33.00
(480) 33.10, , 33.10
(500) 33.10, , 33.10
(520) 33.10, , 33.10
(540) 33.00, , 33.00
(560) 33.00, , 33.00
(580) 32.90, , 32.90
(600) 32.80, , 32.80
(620) 32.70, , 32.70
(640) 32.40, , 32.40
(660) 32.30, , 32.30
(680) 32.10, , 32.10
(700) 31.90, , 31.90

Reflection chart Daubréelite

Reflec­tiv­ity Ø

32.81

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

m3m

Space Group number

227

Space Group

Fd3m

Cell param­e­ters a (Å)

9.966

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

8

Volumne (ų)

989.835

X-Ray Pow­der Diffrac­tion

3.03(100),
2.50(50),
2.04(10),
1.929(50),
1.77(100),
1.30(10),
1.25(10),
1.022(20)

XRD chart Daubréelite

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

Crystal Structure 3D

Open larger view

Physical Properties

Hard­ness (Mohs)

4.00 - 4.50

VHN (Hard­ness Vick­ers)

260–303, Ø 282 (100g)

Density (g/cm³)

3.81 (gemessen) 3.87 (berechnet)

3.866 ( ρ calc. Mineralienatlas )

Cleav­ages

deutlich

Frac­ture

uneben

Tenac­ity

spröde

Insta­bil­ity

+++ HNO3, - HCl

(Co-)Type locality

(Co-)Type locality

Mexiko/Coahuila/Coahuila Meteorit

Type mate­r­ial

zuerst Bolson de Mapimi Eisenmeteorit und jetzt Coahuila Meteorit ?

Preface

Name from

Der Name ehrt Gabriel Auguste Daubrée (1814–1896) aus Paris, Frankreich, einen französischem Meteoriten Forscher.

Author (Name, Year)

Smith, 1876

References

American Mineralogist 27 (1942), 80.

Journal de Physique (Paris) 25 (1964), 526.

Handbook of Mineralogy (Anthony u.w.), 1 (1990), 129.

IMA group assignments


 
 
AB2X4
kubisch
Fd3m

 
 
 
 
 
 

 
 
 
 
CdIn2S4
kubisch
Fd3m

 
 
 
 
CuRh2S4
kubisch
Fd3m

 
 
 
 
Fe2+Cr2S4
kubisch
Fd3m

 
 
 
 
Fe2+Fe3+2S4
kubisch
Fd3m

 
 
 
 
Fe2+In2S4
kubisch
Fd3m

 
 
 
 
MnCr2S4
kubisch
Fd3m

 
 
 
 
ZnCr2S4
kubisch
Fd3m

 
 
 
 
Co2+Co3+2S4
kubisch
Fd3m

 
 
 
 
NiNi2S4
kubisch
Fd3m

 
 
 
 
(Ni,Co)3S4
kubisch
Fd3m

 
 
 
 
Fe2+Ni3+2S4
kubisch
Fd3m

 
 
 
 
(Pb,Cu,Fe)(Ir,Pt,Rh)2S4
kubisch
Fd3m

Refresh list

Actuality: 27. Sep 2021 - 15:41:34

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

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

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

Greigite

Fe2+Fe3+2S4

kubisch : m3m : Fd3m

II/D.01-010

Linnaeite

Co2+Co3+2S4

kubisch : m3m : Fd3m

II/D.01-020

Polydymite

NiNi2S4

kubisch : m3m : Fd3m

II/D.01-030

Carrollite

Cu(Co,Ni)2S4

kubisch : m3m : Fd3m

II/D.01-040

Fletcherite

Cu(Ni,Co)2S4

kubisch : m3m : Fd3m

II/D.01-050

Florensovite

Cu(Cr1.5Sb0.5)S4

kubisch : m3m : Fd3m

II/D.01-060

Violarite

Fe2+Ni3+2S4

kubisch : m3m : Fd3m

II/D.01-070

Siegenite

(Ni,Co)3S4

kubisch : m3m : Fd3m

II/D.01-080

Indite

Fe2+In2S4

kubisch : m3m : Fd3m

II/D.01-090

Cadmoindite

CdIn2S4

kubisch : m3m : Fd3m

II/D.01-095

Daubréelite

Fe2+Cr2S4

kubisch : m3m : Fd3m

II/D.01-100

Kalininite

ZnCr2S4

kubisch : m3m : Fd3m

II/D.01-110

Cuprokalininite

CuCr2S4

kubisch : m3m : Fd3m

II/D.01-115

Bornhardtite

Co2+Co3+2Se4

kubisch : m3m : Fd3m

II/D.01-120

Trüstedtite

Ni3Se4

kubisch : m3m : Fd3m

II/D.01-130

Tyrrellite

(Cu,Co,Ni)3Se4

kubisch : m3m : Fd3m

II/D.01-140

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

Carrollite

Cu(Co,Ni)2S4

kubisch : m3m : Fd3m

2.DA.200

Fletcherite

Cu(Ni,Co)2S4

kubisch : m3m : Fd3m

2.DA.210

Tyrrellite

(Cu,Co,Ni)3Se4

kubisch : m3m : Fd3m

2.DA.220

Kalininite

ZnCr2S4

kubisch : m3m : Fd3m

2.DA.240

Cuprokalininite

CuCr2S4

kubisch : m3m : Fd3m

2.DA.245

Florensovite

Cu(Cr1.5Sb0.5)S4

kubisch : m3m : Fd3m

2.DA.250

Cadmoindite

CdIn2S4

kubisch : m3m : Fd3m

2.DA.260

Indite

Fe2+In2S4

kubisch : m3m : Fd3m

2.DA.270

Daubréelite

Fe2+Cr2S4

kubisch : m3m : Fd3m

2.DA.280

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

Linnaeite

Co2+Co3+2S4

kubisch : m3m : Fd3m

02.10.01.01

Carrollite

Cu(Co,Ni)2S4

kubisch : m3m : Fd3m

02.10.01.02

Fletcherite

Cu(Ni,Co)2S4

kubisch : m3m : Fd3m

02.10.01.03

Tyrrellite

(Cu,Co,Ni)3Se4

kubisch : m3m : Fd3m

02.10.01.04

Bornhardtite

Co2+Co3+2Se4

kubisch : m3m : Fd3m

02.10.01.05

Siegenite

(Ni,Co)3S4

kubisch : m3m : Fd3m

02.10.01.06

Polydymite

NiNi2S4

kubisch : m3m : Fd3m

02.10.01.07

Violarite

Fe2+Ni3+2S4

kubisch : m3m : Fd3m

02.10.01.08

Trüstedtite

Ni3Se4

kubisch : m3m : Fd3m

02.10.01.09

Greigite

Fe2+Fe3+2S4

kubisch : m3m : Fd3m

02.10.01.10

Daubréelite

Fe2+Cr2S4

kubisch : m3m : Fd3m

02.10.01.11

Indite

Fe2+In2S4

kubisch : m3m : Fd3m

02.10.01.12

Kalininite

ZnCr2S4

kubisch : m3m : Fd3m

02.10.01.13

Florensovite

Cu(Cr1.5Sb0.5)S4

kubisch : m3m : Fd3m

02.10.01.14

Cuproiridsite

CuIr2S4

kubisch : m3m : Fd3m

02.10.01.15

Cuprorhodsite

CuRh2S4

kubisch : m3m : Fd3m

02.10.01.16

Malanite

Cu(Pt,Ir)2S4

kubisch : m3m : Fd3m

02.10.01.17

Ferrorhodsite

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

kubisch : m3m : Fd3m

02.10.01.18

Cadmoindite

CdIn2S4

kubisch : m3m : Fd3m

02.10.01.19

Wilkmanite

Ni3Se4

monoklin : 2/m : I2/m

02.10.02.01

Brezinaite

Cr3S4

monoklin : 2/m : I2/m

02.10.02.02

Heideite

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

monoklin : 2/m : I2/m

02.10.02.03

Rhodostannite

(Cu,Ag)2FeSn3S8

tetragonal : 4/m : I41/a

02.10.03.01

Toyohaite

Ag2FeSn3S8

tetragonal : 4/m : I41/a

02.10.03.02

Konderite

PbCu3Rh8S16

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

02.10.04.01

Inaglyite

PbCu3Ir8S16

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

02.10.04.02

Tarkianite

(Cu,Fe)(Re,Mo)4S8

kubisch : 43m : F43m

02.10.05.01

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

Daubréelite

Fe2+Cr2S4

kubisch : m3m : Fd3m

03.08.04

Alternative Name

German

Daubrelit

Spanish

Daubrelita

German

Daubréelit

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