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Eskebornite

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Views (Image: 1467202710): 933

Eskebornit (SNr: A000490)

von der Mina El Dragon bei Potosi in Bolivien; derbe broncefarbene Kruste; BB = 2,3 mm

Collection:

Lithothek der Münchener Micromounter

Peter Köhlen

Contribution: Münchener Micromounter 2016-06-29

Locality: El Dragón Mine / Antonio Quijarro, Provinz / Potosi, Departamento / Bolivien

Views (Image: 1479807587): 924

Hansblockit, Eskebornit (SNr: BM 2015, 136)

Hansblockit, Eskebornit, Clausthalit, Klockmannit, Eldragónit, Krut'ait, Petrovicit von der El Dragón Mine in Bolivien. Polierter Anschliff im Auflicht-Hellfeld-Mikroskop; Bildbreite 0,2 mm; An den...

Collection:

Natural History Museum, London

Günter Grundmann

Contribution: Günter Grundmann 2016-11-22

Locality: El Dragón Mine / Antonio Quijarro, Provinz / Potosi, Departamento / Bolivien

Collectors Summary

Color

braun-gelb oder cremfarben-gelb, manchmal mit einem orangen Farbton

Streak color

schwarz

Hardness (Mohs)

3 - 3.5

Crystal System

tetragonal, P42c

Chemism

Chemical formula

CuFeSe₂

Chemical composition

Eisen, Kupfer, Selen

Unit weight: 277.3175 u; Number of atoms in the formula: 4

Info

Empirical formula:

CuFeSe₂

Element	Symbol	Weight%	Atoms	Atoms%	Atom weight (u)	Sum weight (u)
Iron	Fe	20.14	1	25.00	55.8452000	55.8452000
Copper	Cu	22.91	1	25.00	63.5463000	63.5463000
Selenium	Se	56.95	2	50.00	78.9630000	157.9260000

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Analysis wt%

Ø Cu : 23.62, Fe : 19.75, Se : 55.96 (Ref: Canadian Mineralogist 71)

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.03-020

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

Classification by Hölzel

2.CB.210

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
2: Chalcopyrite-Group

Dana 8th edition

02.09.01.02

02: Sulfide Minerals
09: Sulfides - Including Selenides and Tellurides where Am Bn Xp, with (m+n):p=1:1
01: Chalcopyrite Group (Tetragonal: I-42d)

IMA status

anerkannt, pre IMA, vererbt

Mineral status

anerkanntes Mineral

IMA Classification

Chalcopyrite group

Optical Properties

Color	braun-gelb oder cremfarben-gelb, manchmal mit einem orangen Farbton
Streak color	schwarz
Diaphaneity (Transparency)	opak

Crystallography

Crystal System	tetragonal
Class (H-M)	42m
Space Group number	112
Space Group	P42c
Cell parameters a (Å)	5.518
Cell parameters b (Å)	-
Cell parameters c (Å)	11.048
Cell parameters a/b or c/a	2.002
Cell parameters c/b	-
Cell parameters α	90°
Cell parameters β	90°
Cell parameters γ	90°
Z	4
Volumne (Å³)	336.393
X-Ray Powder Diffraction	5.53(80), 3.17(100), 2.459(80), 1.945(90), 1.662(80), 1.380(70), 1.266(70), 1.126(70)
	Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Crystals 3D

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Crystal Structure 3D

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Physical Properties

Hardness (Mohs)	3 - 3.5
VHN (Hardness Vickers)	147 (50g)
Density (g/cm³)	5.35
	5.475 ( ρ calc. Mineralienatlas )

(Co-)Type locality

Deutschland /Sachsen-Anhalt /Mansfeld-Südharz, Landkreis /Mansfeld, Stadt /Abberode /Tilkerode /Eskebornstollen

Preface

Name from	Typlokalität (Eskaborner Stolln)
Author (Name, Year)	Ramdohr, 1949

References

Strunz Mineralogical Tables 9. Edition

American Mineralogist (1972): 57: 1560.

American Mineralogist (1989): 74: 1403.

Delgado, J.M., Diaz De Delgado, G., Quintero, M., and Wooley, J.C. (1992) The crystal structure of copper iron selenide, CuFeSe2. Mater. Research Bulletin: 27(3): 367-373.

IMA group assignments

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

Gallite	CuGaS₂ tetragonal : 42m : I42d	2.CB.10
Lenaite	AgFeS₂ tetragonal : 42m : I42d	2.CB.10
Roquesite	CuInS₂ tetragonal : 42m : I42d	2.CB.10
Haycockite	Cu₄Fe₅S₈ orthorhombisch	2.CB.10
Putoranite	Cu_1.1Fe_1.2S₂ kubisch : m3m	2.CB.10
Talnakhite	Cu₉(Fe,Ni)₈S₁₆ kubisch : 43m : I43m	2.CB.10
Eskebornite	CuFeSe₂ tetragonal : 42m : P42c	2.CB.10
Laforêtite	AgInS₂ tetragonal : 42m : I42d	2.CB.10
Mooihoekite	Cu₉Fe₉S₁₆ tetragonal : 42m : P42m	2.CB.10
Chalcopyrite	CuFeS₂ tetragonal : 42m : I42d	2.CB.10
Shenzhuangite	NiFeS₂ tetragonal : 42m : I42d	2.CB.10
'Isochalcopyrite'	CuFeS₂ kubisch : 43m : I43m	2.CB.10

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

Chalcopyrite	CuFeS₂ tetragonal : 42m : I42d	II/C.03-010
Eskebornite	CuFeSe₂ tetragonal : 42m : P42c	II/C.03-020
Lenaite	AgFeS₂ tetragonal : 42m : I42d	II/C.03-025
Gallite	CuGaS₂ tetragonal : 42m : I42d	II/C.03-030
Roquesite	CuInS₂ tetragonal : 42m : I42d	II/C.03-040
Laforêtite	AgInS₂ tetragonal : 42m : I42d	II/C.03-050

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

Chalcopyrite	CuFeS₂ tetragonal : 42m : I42d	2.CB.200
Eskebornite	CuFeSe₂ tetragonal : 42m : P42c	2.CB.210
Gallite	CuGaS₂ tetragonal : 42m : I42d	2.CB.230
Roquesite	CuInS₂ tetragonal : 42m : I42d	2.CB.250
Laforêtite	AgInS₂ tetragonal : 42m : I42d	2.CB.260
Lenaite	AgFeS₂ tetragonal : 42m : I42d	2.CB.270

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

Chalcopyrite	CuFeS₂ tetragonal : 42m : I42d	02.09.01.01
Eskebornite	CuFeSe₂ tetragonal : 42m : P42c	02.09.01.02
Gallite	CuGaS₂ tetragonal : 42m : I42d	02.09.01.03
Roquesite	CuInS₂ tetragonal : 42m : I42d	02.09.01.04
Lenaite	AgFeS₂ tetragonal : 42m : I42d	02.09.01.05
Laforêtite	AgInS₂ tetragonal : 42m : I42d	02.09.01.06
Stannite	Cu₂FeSnS₄ tetragonal : 42m : I42m	02.09.02.01
Černýite	Cu₂CdSnS₄ tetragonal : 42m : I42m	02.09.02.02
Briartite	Cu₂(Zn,Fe)GeS₄ tetragonal : 42m : I42m	02.09.02.03
Kuramite	Cu₃SnS₄ tetragonal : 42m : I42m	02.09.02.04
Sakuraiite	(Cu,Zn,Fe)₃(In,Sn)S₄ kubisch	02.09.02.05
Hocartite	Ag₂FeSnS₄ tetragonal : 42m : I42m	02.09.02.06
Pirquitasite	Ag₂ZnSnS₄ tetragonal : 42m, 4 : I42m, I4	02.09.02.07
Velikite	Cu₂(Hg,Zn)SnS₄ tetragonal : 4 : I4	02.09.02.08
Kësterite	Cu₂(Zn,Fe)SnS₄ tetragonal : 4 : I4	02.09.02.09
Ferrokësterite	Cu₂FeSnS₄ tetragonal : 4 : I4	02.09.02.10
Barquillite	Cu₂(Cd,Fe)GeS₄ tetragonal : 42m : I42m	02.09.02.11
Chatkalite	Cu₆Fe²⁺Sn₂S₈ tetragonal : 42m : P4m2	02.09.03.02
Stannoidite	Cu₈(Fe,Zn)₃Sn₂S₁₂ orthorhombisch : 222 : I222	02.09.03.03
Renierite	(Cu,Zn)₁₁(Ge,As)₂Fe₄S₁₆ tetragonal : 42m : P42c	02.09.04.01
Germanite	Cu₁₃Fe₂Ge₂S₁₆ kubisch : 43m : P43n	02.09.04.02
Maikainite	Cu₁₀Fe₃MoGe₃S₁₆ kubisch	02.09.04.03
Ovamboite	Cu₁₀Fe₃WGe₃S₁₆ kubisch	02.09.04.04
Morozeviczite	(Pb,Fe)₃Ge_1-xS₄ kubisch	02.09.05.01
Polkovicite	(Fe,Pb)₃(Ge,Fe)_1-xS₄ kubisch	02.09.05.02
Hemusite	Cu¹⁺₄Cu²⁺₂SnMoS₈ kubisch	02.09.06.01
Kiddcreekite	Cu₆SnWS₈ kubisch	02.09.06.02
Putoranite	Cu_1.1Fe_1.2S₂ kubisch : m3m	02.09.07.01
Talnakhite	Cu₉(Fe,Ni)₈S₁₆ kubisch : 43m : I43m	02.09.08.01
Haycockite	Cu₄Fe₅S₈ orthorhombisch	02.09.08.02
Mooihoekite	Cu₉Fe₉S₁₆ tetragonal : 42m : P42m	02.09.08.03
Raguinite	TlFeS₂ monoklin : 2/m : C2/m	02.09.09.01

CNMNC symbol

Symbol

Ebn

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

German pages	DeWikiPedia - search for: Eskebornit Google-Bilder-Suche - search for: Eskebornit Mineralogisch-Petrographisches-Institut Hamburg - search for: Eskebornit
English pages	Mindat - search for: Eskebornite Webmineral - search for:Eskebornite Handbook-of-Mineralogy - search for: Eskebornite RRUFF - Raman, XRD and other mineral data - search for: Eskebornite RRUFF - References and PDF downloads - search for: Eskebornite American-Mineralogist-Crystal-Structure-Database - search for: Eskebornite Athena - search for: Eskebornite
Russian pages	Webmineral.ru - search for: Эскеборнит

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German pages

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Crystal-Treasure.com - search for: Eskebornit
Bosse - search for: Eskebornit

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