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Zhanghengite Mineral Data
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General Zhanghengite Information
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 Chemical Formula: |
(Cu,Zn,Fe,Al,Cr) |
| Composition: |
Molecular Weight = 60.74 gm |
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Aluminum 2.22 % Al |
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Zinc 21.53 % Zn |
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Chromium 4.28 % Cr |
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Iron 9.19 % Fe |
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Copper 62.77 % Cu |
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______ |
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100.00 % |
| Empirical Formula: |
Cu0.6Zn0.2Fe0+0.1Al0.05Cr0.05 |
| Environment: |
Boxian meteorite. |
| IMA Status: |
Approved IMA 1986 |
| Locality: |
Boxian County, Anhui Province. China. Link to MinDat.org Location Data. |
| Name Origin: |
Named for Zhang Heng (78-139), famous astronomer in ancient Ghina. |
| Name Pronunciation: |
Zhanghengite + Pronunciation  |
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Zhanghengite Crystallography
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| Cell Dimensions: |
a = 2.952, Z = 1; V = 25.72 Den(Calc)= 3.92 |
| Crystal System: |
Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: I m3m |
| X Ray Diffraction: |
By Intensity(I/Io): 2.089(1), 1.201(0.8), 1.044(0.6), |
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Physical Properties of Zhanghengite
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| Cleavage: |
None |
| Color: |
Golden yellow. |
| Diaphaneity: |
Opaque |
| Hardness: |
3.5 - Copper Penny |
| Luster: |
Metallic |
| Streak: |
bronze |
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Calculated Properties of Zhanghengite
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| Electron Density: |
Bulk Density (Electron Density)=3.59 gm/cc
note: Specific Gravity of Zhanghengite =3.92 gm/cc.
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| Fermion Index: |
Fermion Index = 0.01
Boson Index = 0.99 |
| Photoelectric: |
PEZhanghengite = 43.88 barns/electron
U=PEZhanghengite x rElectron Density= 157.73 barns/cc.
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| Radioactivity: |
GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Zhanghengite is Not Radioactive |
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Zhanghengite Classification
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| Dana Class: |
01.01.06.02 (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 Zhanghengite Information
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| References: |
NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.75,p244,1990) |
| See Also: |
Links to other databases for Zhanghengite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info
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Print or Cut-and-Paste your Zhanghengite Specimen Label here :
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Zhanghengite
(Cu,Zn,Fe,Al,Cr)
Dana No: 01.01.06.02 Strunz No: 01.AB.10a
Locality:
Notes:
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