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Heideite

Collectors Summary

Color cremeweiß
Hardness (Mohs) 4
Solubility +++ HNO3, - HCl
Crystal System monoklin, I2/m

Chemism

Chem­ical formula

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

Chem­ical com­po­si­tion

Chrom, Eisen, Titan, Schwefel

Unit weight: 291.100631 u; Number of atoms in the formula: 7.15

Info

Empirical formula:

(Fe0.75Cr0.25)1.15(Ti0.75Fe0.25)2S4

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Sulfur

S

44.06

4

55.94

32.0655000

128.2620000

Titanium

Ti

24.67

1.5

20.98

47.8671000

71.8006500

Chromium

Cr

5.14

0.29

4.02

51.9961600

14.9488960

Iron

Fe

26.14

1.36

19.06

55.8452000

76.0890850

Anal­y­sis wt%

Ø Ti : 28.50, Fe : 25.10, Cr : 2.90, S : 44.90 (Ref: American Mineralogist 74)

Strunz 9th edi­tion incl. updates

2.DA.15

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
15:Brezinait-Gruppe

Lapis Clas­sifica­tion

II/C.19-070

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

Clas­sifica­tion by Hölzel

2.DA.560

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

Dana 8th edi­tion

02.10.02.03

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

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

cremeweiß

Diaphane­ity (Trans­parency)

opak

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

I2/m

Cell param­e­ters a (Å)

5.97

Cell param­e­ters b (Å)

3.42

Cell param­e­ters c (Å)

11.4

Cell param­e­ters a/b or c/a

1.746

Cell param­e­ters c/b

3.333

Cell param­e­ters α

90°

Cell param­e­ters β

90.20

Cell param­e­ters γ

90°

Z

2

Volumne (ų)

232.757

X-Ray Pow­der Diffrac­tion

5.71(20),
5.28(20),
2.97(50),
2.64(70),
2.06(100),
1.72(70),
1.44(10)

XRD chart Heideite

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)

4.1

4.153 ( ρ calc. Mineralienatlas )

Insta­bil­ity

+++ HNO3, - HCl

(Co-)Type locality

(Co-)Type locality

Indien/Uttar Pradesh/Basti District/Bustee Meteorit

Preface

Author (Name, Year)

Keil & Brett, 1974

References

American Mineralogist 59 (1974), 465

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

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

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

Troilite

FeS

hexagonal : 6m2 : P62c

II/C.19-010

Pyrrhotite

Fe1-xS

II/C.19-020

'Jaipurite'

CoS

hexagonal : 6/mmm : P63/mmc

II/C.19-025

Westerveldite

(Fe,Ni,Co)As

orthorhombisch : mmm : Pmcn

II/C.19-030

Modderite

(Co,Fe)As

orthorhombisch : mmm, mm2 : Pmcn, Pna21

II/C.19-040

Smythite

(Fe,Ni)3+xS4 {x≈0-0.3}

trigonal : 3m : R3m

II/C.19-050

Achávalite

FeSe

hexagonal : 6/mmm : P63/mmc

II/C.19-060

Heideite

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

monoklin : 2/m : I2/m

II/C.19-070

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

Wilkmanite

Ni3Se4

monoklin : 2/m : I2/m

2.DA.500

Brezinaite

Cr3S4

monoklin : 2/m : I2/m

2.DA.530

Heideite

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

monoklin : 2/m : I2/m

2.DA.560

Kingstonite

Rh3S4

monoklin : 2/m : C2/m

2.DA.570

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

Other languages

German

Heideit

English

Heideite

French

Heideite

Spanish

Heideíta

Russian

Хейдеит

Simplified Chinese

硫钛铁矿

Alternative Name

Simplified Chinese

硫钛铬铁矿

IMA Number

IMA 1973-062

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

German pages

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English pages

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Russian pages

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