Zhanghengite Mineral Data

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

IMA Status:

Approved IMA 1986

Locality:

Link to MinDat.org Location Data.

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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.

Diaphaniety:

Opaque

Hardness:

3.5 - Copper Penny

Luster:

Metallic

Streak:

bronze

Calculated Properties of Zhanghengite

Electron Density:

r_electron=3.59 gm/cc
note: r_Zhanghengite=3.92 gm/cc.

Fermion Index

Fermion Index = 0.01484
Boson Index = 0.98516

Photoelectric:

PE_Zhanghengite= 43.88 barns/electron
U=PE_Zhanghengite x r_electron= 157.73 barns/cc.

Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)

Zhanghengite is Not Radioactive

Zhanghengite Classification

Dana Class:

1.1.6.2 (1)Native Elements

(1.1)with metallic elements other than the platinum group

(1.1.6)Dana Group

1.1.6.0 Brass* Cu3Zn2 Unk Cubic

1.1.6.1 Danbaite CuZn2 Unk Cubic

1.1.6.2 Zhanghengite (Cu,Zn,Fe,Al,Cr) I m3m 4/m 3 2/m

Strunz Class:

I/A.04-20 I - Elements

I/A - Metallic and intermetallic compounds, Carbides, Nitrides, Phosphides and Silicides

I/A.04 - Zinc-Cadmium series

I/A.04-10 Zinc Zn P 6₃/mmc 6/m 2/m 2/m

I/A.04-15 Brass* Cu3Zn2 Unk Cubic

I/A.04-20 Zhanghengite (Cu,Zn,Fe,Al,Cr) I m3m 4/m 3 2/m

I/A.04-30 Danbaite CuZn2 Unk Cubic

I/A.04-40 Cadmium Cd P 6₃/mmc 6/m 2/m 2/m

Other Zhanghengite Information

References:

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 -Google Images 5 -Google Scholar 6 -Handbook of Mineralogy (UofA) 7 -MinDAT 8 -MinMax(Deutsch) 9 -MinMax(English) 10 -Mineralienatlas (Deutsch) 11 -QUT Mineral Atlas 12 -École des Mines de Paris

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Print or Cut-and-Paste your Zhanghengite Specimen Label here :

Zhanghengite

(Cu,Zn,Fe,Al,Cr)
Dana No: 1.1.6.2 Strunz No: I/A.04-20
Locality:

Notes: