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Brass Mineral Data
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General Brass Information
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 Chemical Formula: |
Cu3Zn2 |
| Composition: |
Molecular Weight = 321.42 gm |
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Zinc 40.69 % Zn |
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Copper 59.31 % Cu |
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______ |
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100.00 % |
| Empirical Formula: |
Cu3Zn2 |
| Environment: |
Base metal ore bodies containing copper and zink sulfides where partial oxidation can create the mineral. |
| IMA Status: |
Not Approved IMA |
| Locality: |
Link to MinDat.org Location Data. |
| Name Origin: |
Named as an alloy of copper and zinc. |
| Synonym: |
Laiton |
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Messing |
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Brass Image |
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Images:
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Brass Crystallography
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| Crystal System: |
Isometric Space Group: Unk |
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Physical Properties of Brass
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| Color: |
Yellow. |
| Diaphaneity: |
Opaque |
| Luster: |
Metallic |
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Calculated Properties of Brass
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| Fermion Index: |
Fermion Index = 0.01
Boson Index = 0.99 |
| Photoelectric: |
PEBrass = 48.42 barns/electron
U=PEBrass x rElectron Density= . barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Brass is Not Radioactive |
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Brass Classification
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| Dana Class: |
01.01.06.00 (01)Native Elements |
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(01.01)with metallic elements other than the platinum group |
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(01.01.06)Dana Group |
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01.01.06.00 Brass* Cu3Zn2 Unk Cubic |
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01.01.06.01 Danbaite CuZn2 Unk Cubic |
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01.01.06.02 Zhanghengite (Cu,Zn,Fe,Al,Cr) I m3m 4/m 3 2/m |
| Strunz Class: |
01.AB.10a 01 - ELEMENTS (Metals and intermetallic alloys; metalloids and nonmetals; carbides, silicides, nitrides, phosphides) |
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01.A - Metals and Intermetallic Alloys |
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01.AB -Zinc-brass family (Cu-Zn alloys) |
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01.AB.10a Brass* Cu3Zn2 Unk Cubic |
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01.AB.10a Zhanghengite (Cu,Zn,Fe,Al,Cr) I m3m 4/m 3 2/m |
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Other Brass Information
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| References: |
NAME( Athena) PHYS. PROP.(Am.Min.,Vol.77,p446,1992) |
| See Also: |
Links to other databases for Brass :
1 - Am. Min. Crystal Structure Database
2 - Amethyst Galleries' Mineral Gallery
3 - Athena
4 - GeoScienceWorld
5 - Google Images
6 - Google Scholar
7 - MinDAT
8 - Mineralienatlas (Deutsch)
9 - Online Mineral Museum
10 - QUT Mineral Atlas
11 - Ruff.Info
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Print or Cut-and-Paste your Brass Specimen Label here :
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Brass
Cu3Zn2
Dana No: 01.01.06.00 Strunz No: 01.AB.10a
Locality:
Notes:
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