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Castaingite

Collectors Summary

Color gelblichgrau-met.
Lustre Metallglanz
Hardness (Mohs) 1.75
Crystal System hexagonal,

Chemism

Chem­ical formula

CuMo2S5

Addi­tional chem. informa­tion

Gemisch aus kupferhaltigen Molybdänits mit schwankendem Gerhardtit-Anteil

Chem­ical com­po­si­tion

Kupfer, Molybdän, Schwefel

Unit weight: 415.7578 u; Number of atoms in the formula: 8

Info

Empirical formula:

CuMo2S5

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Sulfur

S

38.56

5

62.50

32.0655000

160.3275000

Copper

Cu

15.28

1

12.50

63.5463000

63.5463000

Molybdenum

Mo

46.15

2

25.00

95.9420000

191.8840000

Anal­y­sis wt%

Mo : 47.20, S : 34.00, Cu : 13.50, Fe : 1.00, Pb : 2.50, Bi : 2.00 (Ref: Neues Jahrbuch für Mineralogie, (Monatshefte) 63)

Strunz 9th edi­tion incl. updates

2.EA.30

2: Sulfide und Sulfosalze (Sulfide, Selenide, Telluride, Arsenide, Antimonide, Bismutide, Sulfarsenite, Sulfantimonite, Sulfbismuthite)
E: Metallsulfide mit M:S >= 1:2
A: M:S = 1:2, mit Cu, Ag, Au; Ni, Sn, PGE, Mo, W
30:Molybdänit-Gruppe

Lapis Clas­sifica­tion

II/D.25-050

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

Clas­sifica­tion by Hölzel

2.EA.560

2: SULFIDES
E: Me/S=1/2 (also < 1/2)
A: Me/S=1/2 with Cu,Ag,Au, etc.
5: Molybdenite-Group

IMA sta­tus

diskreditiert

Optical Properties

Color

gelblichgrau-met.

Lus­tre

Metallglanz

Crystallography

Crystal Sys­tem

hexagonal

Cell param­e­ters b (Å)

-

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

120°

X-Ray Pow­der Diffrac­tion

6.33(60),
4.27(80),
3.50(80),
3.40(100),
3.05(100),
2.60(80),
2.60(60)

XRD chart Castaingite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

Physical Properties

Hard­ness (Mohs)

1.75

Density (g/cm³)

5.68 (gemessen)

Preface

Author (Name, Year)

Schüller & Ottemann, 1963

References

Neues Jahrbuch für Mineralogie, Abhandlungen 100 (1963), 317.

American Mineralogist 50 (1965), 264 (Zusammenfasung).

Mineralogical Magazine 36 (1967), 133.

Neues Jahrbuch für Mineralogie, Monatshefte (1969), 529.

Other languages

German

Castaingit

English

Castaingite

Alternative Name

Spanish

Castaingita

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

German pages

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

English pages

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

Mineral Dealer

German pages

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

Locations with GPS information