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Catamarcaite

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Collectors Summary

Color

grau

Streak color

schwarz

Lustre

Metallglanz

Hardness (Mohs)

3.5

Cleavages

keine

Fracture

unregelmäßig bis halbmuschelig

Crystal System

hexagonal, P6₃mc

Morphology

idiomorphe bis hypidiomorphe Einschlüsse bis 1 mm

Chemism

Chemical formula

Cu₆GeWS₈

Empirical formula (analysis)

Cu_6.09Ag_0.01Fe_0.03Ge_0.98W_1.03S_7.86

Chemical composition

Germanium, Kupfer, Schwefel, Wolfram

Unit weight: 902.3302452 u; Number of atoms in the formula: 16

Info

Empirical formula:

Cu_6.09Ag_0.01Fe_0.03Ge_0.98W_1.03S_7.86

Element	Symbol	Weight%	Atoms	Atoms%	Atom weight (u)	Sum weight (u)
Sulfur	S	27.93	7.86	49.13	32.0655000	252.0348300
Iron	Fe	0.19	0.03	0.19	55.8452000	1.6753560
Copper	Cu	42.89	6.09	38.06	63.5463000	386.9969670
Germanium	Ge	7.89	0.98	6.13	72.6410000	71.1881800
Silver	Ag	0.12	0.01	0.06	107.8682200	1.0786822
Tungsten	W	20.99	1.03	6.44	183.8410000	189.3562300

Search for minerals with similar chemistry

Analysis wt%

Cu : 42.72, Ge : 7.84, W : 20.89, S : 27.79, Ag : 0.14, Fe : 0.17 (Ref: Canadian Mineralogist 2006)

Strunz 9th edition incl. updates

2.CB.35

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.
35:Hemusit-Gruppe

Lapis Classification

II/C.09-030

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

Classification by Hölzel

2.CB.487

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
4: Luzonite-Hemusite-Group

Dana 8th edition

02.09.14.02

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

IMA status

anerkannt 2003

Mineral status

anerkanntes Mineral

Optical Properties

Color	grau
Streak color	schwarz
Change in color	in reflektiertem Licht: grauweiß mit einem minimalen braunen Frabton
Diaphaneity (Transparency)	opak
Lustre	Metallglanz
Pleochroism	schwach
Bireflectance	schwach
Anisotropism	schwach, rote Innenreflexe an Rissen
Reflectivity: (Lambda nm) ↓, ↑, Ø	(470) 24.5, 25.2, 24.9 (546) 24.1, 24.5, 24.3 (589) 24.5, 25.1, 24.8 (650) 23.4, 23.7, 23.6

Reflectivity Ø	24.38

Crystallography

Crystal System	hexagonal
Class (H-M)	6mm
Space Group number	186
Space Group	P6₃mc
Cell parameters a (Å)	7.524
Cell parameters b (Å)	-
Cell parameters c (Å)	12.390
Cell parameters a/b or c/a	1.647
Cell parameters c/b	-
Cell parameters α	90°
Cell parameters β	90°
Cell parameters γ	120°
Z	2
Volumne (Å³)	607.435
X-Ray Powder Diffraction	6.18(40), 5.78(100), 3.153(40), 2.887(40), 2.417(40), 1.971(50), 1.881(80), 1.744(50)
	Calculated from d-spacing and intensity at 0.1541838 nm (Cu)
Morphology	idiomorphe bis hypidiomorphe Einschlüsse bis 1 mm

Crystal Structure 3D

Open larger view

Physical Properties

Hardness (Mohs)	3.5
VHN (Hardness Vickers)	227 (25g)
Density (g/cm³)	4.892 (berechnet)
	4.933 ( ρ calc. Mineralienatlas )
Cleavages	keine
Fracture	unregelmäßig bis halbmuschelig
Tenacity	spröde

(Co-)Type locality

(Co-)Type locality	Argentinien /Catamarca, Provinz /Andalgalá /Capillitas Mine /La Rosario Vein
Type material	Institut für Mineralogie der Universität von Salzburg, Österreich
Collection number of type material	14931 und 14932
Paragenesis of type material	Bornit, Digenit, Chalkosin, Covellin, Sphalerit

Preface

Associations	Bornit, Digenit, Chalkosin, Covellin, Sphalerit, Luzonit, Wittichenit, Hübnerit
Name from	der Provinz Catamarca, dem Ort der Typlokalität
Author (Name, Year)	Putz & Paar & Topa & Makovicky & Roberts, 2006

References

Putz, H., Paar, W. H., Topa, D., Makovický, E., Roberts, A. C. (2006): Catamarcait, Cu₆GeWS₈, eine neue Spezies Germanium–Tungsten-Sulfid von Capillitas, Catamarca, Argentinien: Beschreibung, Paragenese und Kristallstruktur. Canadian Mineralogist, 44, 1481-1497 (in englisch).

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

Hemusite	Cu¹⁺₄Cu²⁺₂SnMoS₈ kubisch	2.CB.35
Renierite	(Cu,Zn)₁₁(Ge,As)₂Fe₄S₁₆ tetragonal : 42m : P42c	2.CB.35
Polkovicite	(Fe,Pb)₃(Ge,Fe)_1-xS₄ kubisch	2.CB.35
Vinciennite	Cu₁₀Fe₄Sn(As,Sb)S₁₆ tetragonal	2.CB.35
Catamarcaite	Cu₆GeWS₈ hexagonal : 6mm : P6₃mc	2.CB.35
Kiddcreekite	Cu₆SnWS₈ kubisch	2.CB.35
Morozeviczite	(Pb,Fe)₃Ge_1-xS₄ kubisch	2.CB.35

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

Hemusite	Cu¹⁺₄Cu²⁺₂SnMoS₈ kubisch	II/C.09-010
Kiddcreekite	Cu₆SnWS₈ kubisch	II/C.09-020
Catamarcaite	Cu₆GeWS₈ hexagonal : 6mm : P6₃mc	II/C.09-030

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

Luzonite	Cu₃AsS₄ tetragonal : 42m : I42m	2.CB.400
Famatinite	Cu₃SbS₄ tetragonal : 42m : I42m	2.CB.405
Permingeatite	Cu₃SbSe₄ tetragonal : 42m : I42m	2.CB.410
Briartite	Cu₂(Zn,Fe)GeS₄ tetragonal : 42m : I42m	2.CB.420
Barquillite	Cu₂(Cd,Fe)GeS₄ tetragonal : 42m : I42m	2.CB.430
Vinciennite	Cu₁₀Fe₄Sn(As,Sb)S₁₆ tetragonal	2.CB.440
Polhemusite	(Zn,Hg)S tetragonal	2.CB.450
Sakuraiite	(Cu,Zn,Fe)₃(In,Sn)S₄ kubisch	2.CB.460
Hemusite	Cu¹⁺₄Cu²⁺₂SnMoS₈ kubisch	2.CB.470
Kiddcreekite	Cu₆SnWS₈ kubisch	2.CB.475
Morozeviczite	(Pb,Fe)₃Ge_1-xS₄ kubisch	2.CB.485
Catamarcaite	Cu₆GeWS₈ hexagonal : 6mm : P6₃mc	2.CB.487
Polkovicite	(Fe,Pb)₃(Ge,Fe)_1-xS₄ kubisch	2.CB.490

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

Teallite	PbSnS₂ orthorhombisch : mmm : Pbnm	02.09.10.01
Rasvumite	KFe₂S₃ orthorhombisch : mmm : Cmcm	02.09.11.01
Pautovite	CsFe₂S₃ orthorhombisch : mmm : Cmcm	02.09.11.02
Sternbergite	AgFe₂S₃ orthorhombisch : mmm : Ccmb	02.09.12.01
Picotpaulite	TlFe₂S₃ orthorhombisch : 222, mm2, mmm : C222, Cmm2, Amm2, Cmmm	02.09.12.02
Cubanite	CuFe₂S₃ orthorhombisch : mmm : Pcmn	02.09.13.01
Argentopyrite	AgFe₂S₃ orthorhombisch : mmm : Pmmn	02.09.13.02
Isocubanite	CuFe₂S₃ kubisch : 43m : P43m	02.09.13.03
Catamarcaite	Cu₆GeWS₈ hexagonal : 6mm : P6₃mc	02.09.14.02
Nukundamite	(Cu,Fe)₄S₄ trigonal : 3m : P3m1	02.09.15.01
Mohite	Cu₂SnS₃ monoklin : m : Cc	02.09.16.01
Caswellsilverite	NaCrS₂ trigonal : 3m : R3m	02.09.17.01
Schöllhornite	Na_0.3CrS₂·H₂O hexagonal	02.09.17.02
Cronusite	Ca_0.2CrS₂·H₂O trigonal : 3m, 32, 3m : R3m, R32, R3m	02.09.17.03
Petrukite	(Cu,Ag)₂(Fe,Zn)(Sn,In)S₄ orthorhombisch : mm2 : Pmn2₁	02.09.18.01
Bartonite	K₆Fe₂₀S₂₆S tetragonal : 4/mmm : I4/mmm	02.09.19.01
Chlorbartonite	K₆Fe₂₄S₂₆(Cl,S) tetragonal : 4/mmm : I4/mmm	02.09.19.02

CNMNC (IMA)-Number

IMA 2003-020

CNMNC symbol

Symbol

Ctm

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

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

Mineral Dealer

German pages

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

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