Zhanghengite Mineral Data

General Zhanghengite Information

Chemical Formula:

(Cu,Zn,Fe,Al,Cr)

Composition:

Molecular Weight = 60.74 gm

Aluminum 2.22 % Al

Zinc 21.53 % Zn

Chromium 4.28 % Cr

Iron 9.19 % Fe

Copper 62.77 % Cu

______

100.00 %

Empirical Formula:

Cu_0.6Zn_0.2Fe⁰⁺_0.1Al_0.05Cr_0.05

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

Cell Dimensions:

a = 2.952, Z = 1; V = 25.72 Den(Calc)= 3.92

Crystal System:

Isometric - HexoctahedralH-M Symbol (4/m 3 2/m) Space Group: I m3m

$Help on X Ray Diffraction:$ X Ray Diffraction:

By Intensity(I/I_o): 2.089(1), 1.201(0.8), 1.044(0.6),

Physical Properties of Zhanghengite

Cleavage:

None

Color:

Golden yellow.

Diaphaneity:

Opaque

Hardness:

3.5 - Copper Penny

Luster:

Metallic

Streak:

bronze

Calculated Properties of Zhanghengite

Electron Density:

Bulk Density (Electron Density)=3.59 gm/cc
note: Specific Gravity of Zhanghengite =3.92 gm/cc.

Fermion Index:

Fermion Index = 0.01
Boson Index = 0.99

Photoelectric:

PE_Zhanghengite= 43.88 barns/electron
U=PE_Zhanghengite x rElectron Density= 157.73 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Zhanghengite is Not Radioactive

Zhanghengite Classification

Dana Class:

01.01.06.02 (01)Native Elements

(01.01)with metallic elements other than the platinum group

(01.01.06)Dana Group

01.01.06.00 Brass* Cu3Zn2 Unk Cubic

01.01.06.01 Danbaite CuZn2 Unk Cubic

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)

01.A - Metals and Intermetallic Alloys

01.AB -Zinc-brass family (Cu-Zn alloys)

01.AB.10a Brass* Cu3Zn2 Unk Cubic

01.AB.10a Zhanghengite (Cu,Zn,Fe,Al,Cr) I m3m 4/m 3 2/m

Other Zhanghengite Information

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 :

Zhanghengite

(Cu,Zn,Fe,Al,Cr)
Dana No: 01.01.06.02 Strunz No: 01.AB.10a
Locality:

Notes: