Mineralogy Database

Zhanghengite Mineral Data

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General Zhanghengite Information

Help on Chemical  Formula: Chemical Formula: (Cu,Zn,Fe,Al,Cr)
Help on Composition: 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 % 
Help on Empirical Formula: Empirical Formula: Cu0.6Zn0.2Fe0+0.1Al0.05Cr0.05
Help on Environment: Environment: Boxian meteorite.
Help on IMA Status: IMA Status: Approved IMA 1986
Help on Locality: Locality: Boxian County, Anhui Province. China. Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for Zhang Heng (78-139), famous astronomer in ancient Ghina.
Help on Name Pronunciation: Name Pronunciation: Zhanghengite + Pronunciation Say ZHANGHENGITE

Zhanghengite Crystallography

Help on Cell Dimensions: Cell Dimensions: a = 2.952, Z = 1; V = 25.72 Den(Calc)= 3.92
Help on Crystal System: Crystal System: Isometric - Hexoctahedral H-M Symbol (4/m 3 2/m) Space Group: I m3m
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 2.089(1), 1.201(0.8), 1.044(0.6),

Physical Properties of Zhanghengite

Help on Cleavage: Cleavage: None
Help on Color: Color: Golden yellow.
Help on Diaphaneity: Diaphaneity: Opaque
Help on Hardness: Hardness: 3.5 - Copper Penny
Help on Luster: Luster: Metallic
Help on Streak: Streak: bronze

Calculated Properties of Zhanghengite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=3.59 gm/cc
note: Specific Gravity of Zhanghengite =3.92 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.01
Boson Index = 0.99
Help on Photoelectric: Photoelectric: PEZhanghengite = 43.88 barns/electron
U=PEZhanghengite x rElectron Density= 157.73 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Zhanghengite is Not Radioactive

Zhanghengite Classification

Help on  Dana Class: Dana Class: (01)Native Elements
  (01.01)with metallic elements other than the platinum group
  (01.01.06)Dana Group Brass* Cu3Zn2 Unk Cubic Danbaite CuZn2 Unk Cubic Zhanghengite (Cu,Zn,Fe,Al,Cr) I m3m 4/m 3 2/m
Help on  Strunz Class: 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

Help on References: References: NAME( Dana8) PHYS. PROP.(Am.Min.,Vol.75,p244,1990)
Help on See Also: 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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Dana No: Strunz No: 01.AB.10a