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Haycockite

Collectors Summary

Color messinggelb-met.
Streak color schwarz
Hardness (Mohs) 4
Crystal System orthorhombisch,

Chemism

Chem­ical formula

Cu4Fe5S8

Chem­ical com­po­si­tion

Eisen, Kupfer, Schwefel

Unit weight: 789.9352 u; Number of atoms in the formula: 17

Info

Empirical formula:

Cu4Fe5S8

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Sulfur

S

32.47

8

47.06

32.0655000

256.5240000
Iron

Fe

35.35

5

29.41

55.8452000

279.2260000
Copper

Cu

32.18

4

23.53

63.5463000

254.1852000

Anal­y­sis wt%

Cu : 32.16, Fe : 35.03, Ni : 0.40, S : 32.41 (Ref: American Mineralogist 72)

Strunz 9th edi­tion incl. updates

2.CB.10

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
C: Metallsulfide, M : S = 1 : 1 (und ähnliche)
B: mit Zink (Zn), Eisen (Fe), Kupfer (Cu), Silber (Ag), usw.
10:Chalkopyrit-Gruppe

Lapis Clas­sifica­tion

II/C.04-020

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

Clas­sifica­tion by Hölzel

2.CB.500

2: SULFIDES
C: Sulfides (etc) with Me/S=1/1
B: With Zn,Cu (etc), Coordination Number ~[4] Framework of Cornersharing Tetrahedra: Sphalerite-Germanite-Family
5: Germanite-Colusite-Mawsonite-Group

Dana 8th edi­tion

02.09.08.02

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

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

Optical Properties

Color

messinggelb-met.

Streak color

schwarz

Crystallography

Crystal Sys­tem

orthorhombisch

Cell param­e­ters a (Å)

10.705

Cell param­e­ters b (Å)

10.734

Cell param­e­ters c (Å)

31.630

Cell param­e­ters a/b or c/a

0.997

Cell param­e­ters c/b

2.947

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

12

Volumne (ų)

3634.523

X-Ray Pow­der Diffrac­tion

3.077(100),
1.895(10),
1.880(20),
1.878(20),
1.615(10),
1.594(10),
1.092(10),
1.082(10)
XRD chart Haycockite

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)

263 (50g)

Density (g/cm³)

4.35

4.331 ( ρ calc. Mineralienatlas )

(Co-)Type locality

(Co-)Type locality

Südafrika/Mpumalanga, Provinz/Ehlanzeni, Distrikt/Lydenburg/Mooihoek Farm

Preface

Author (Name, Year)

Cabri & Hall, 1972

References

American Mineralogist 57 (1972), 689

Other languages

German

Haycockit

Spanish

Haycockita

English

Haycockite

French

Haycockite

Russian

Хейкоит

Russian

Хейкокит

CNMNC (IMA)-Number

IMA 1971-028

CNMNC symbol

Symbol

Hyc

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

German pages

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

English pages

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

Russian pages

 Webmineral.ru - search for: Хейкокит

Mineral Dealer

German pages

 hausen - Mineralgroßhandel - search for: Haycockit
Crystal-Treasure.com - search for: Haycockit
Bosse - search for: Haycockit
Edelsteine Neuburg - Gundolf Fischer - search for: Haycockit

Locations with GPS information