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Catamarcaite

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)

Cu6.09Ag0.01Fe0.03Ge0.98W1.03S7.86

Chem­ical com­po­si­tion

Germanium, Kupfer, Schwefel, Wolfram

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

Info

Empirical formula:

Cu6.09Ag0.01Fe0.03Ge0.98W1.03S7.86

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

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
Reflection chart Catamarcaite

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 (ų)

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)
XRD chart Catamarcaite

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).

Other languages

German

Catamarcait

English

Catamarcaite

Russian

Катамаркаит

Traditional Chinese

硫鎢鍺銅礦

Simplified Chinese

硫钨锗铜矿

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
Mineralienatlas.de (Forum) - 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
Strahlen.org - 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
Edelsteine Neuburg - Gundolf Fischer - search for: Catamarcait

Locations with GPS information