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alpha-Brass

Collectors Summary

Crystal System kubisch, Fm3m

Additional information / Summary

alpha-Brass / α-Brass / α-Messing

Chemism

Chem­ical formula

α-(Cu,Zn)

Addi­tional chem. informa­tion

Zn bis zu 36%, ungeordnet

Chem­ical com­po­si­tion

Kupfer, Zink

Unit weight: 64.012075 u; Number of atoms in the formula: 1

Info

Empirical formula:

α-(Cu0.75Zn0.25)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Copper

Cu

74.45

0.75

75.00

63.5463000

47.6597250
Zinc

Zn

25.55

0.25

25.00

65.4094000

16.3523500

Strunz 9th edi­tion incl. updates

1.AB.10

1: Elemente (Metalle, intermetallische Legierungen, Metalloide u. Nichtmetalle, Carbide, Silicide, Nitride u. Phosphide)
A: Metalle und intermetallische Legierungen
B: Zink-Messing-Familie
10:Messing-Gruppe

IMA sta­tus

nicht anerkannt

Crystallography

Crystal Sys­tem

kubisch

Class (H-M)

m3m

Space Group number

225

Space Group

Fm3m

Cell param­e­ters a (Å)

3.693

Cell param­e­ters b (Å)

-

Cell param­e­ters c (Å)

-

Cell param­e­ters a/b or c/a

1

Cell param­e­ters c/b

-

Cell param­e­ters α

90°

Cell param­e­ters β

90°

Cell param­e­ters γ

90°

Z

4

Volumne (ų)

50.366

Physical Properties

Density (g/cm³)

8.441 ( ρ calc. Mineralienatlas )

Preface

Author (Name, Year)

Okrugin et al., 1981

References

Strunz Mineralogical Tables 9. Edition (2001), 37.

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

Danbaite

CuZn2

1.AB.10

'Brass'

CuZn

kubisch : m3m : Pm3m

1.AB.10

'Tongxinite'

Cu2Zn

1.AB.10

'eta-Brass'

η-(Cu,Zn)

1.AB.10

Zhanghengite

ß-CuZn

kubisch : m3m : Im3m

1.AB.10

'alpha-Brass'

α-(Cu,Zn)

kubisch : m3m : Fm3m

1.AB.10

'beta'-Brass'

β'-CuZn

kubisch : m3m : Pm3m

1.AB.10

'gamma-Brass'

Cu5Zn8

kubisch : 43m : I43m

1.AB.10

'Zinccopperite'

Cu7Zn4

1.AB.10

'epsilon-Brass'

CuZn3

1.AB.10

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

German pages

 DeWikiPedia - search for: alpha-Brass
Google-Bilder-Suche - search for: alpha-Brass
Mineralogisch-Petrographisches-Institut Hamburg - search for: alpha-Brass

English pages

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Handbook-of-Mineralogy - search for: alpha-Brass
RRUFF - Raman, XRD and other mineral data - search for: alpha-Brass
RRUFF - References and PDF downloads - search for: alpha-Brass
American-Mineralogist-Crystal-Structure-Database - search for: alpha-Brass
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Mineral Dealer

German pages

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