Zhanghengite

Summary

Zhanghengite is a mineral consisting of 80% copper and zinc, 10% iron, and 10% chromium and aluminium. Its color is golden yellow. It was discovered in 1986 during the analysis of the Bo Xian meteorite and is named after Zhang Heng, an ancient Chinese astronomer.

Zhanghengite
The rare intermetallide zhanghengite, CuZn, discovered in meteorites, become available now from an old Vietnamese collection. The mineral has nice light-yellow gold-like color and is well visible by unequipped eye.
General
CategoryNative element mineral
Formula
(repeating unit)
CuZn
IMA symbolZhg[1]
Strunz classification1.AB.10a
Crystal systemIsometric
Crystal classHexoctahedral (m3m)
H-M symbol: (4/m 3 2/m)
Space groupIm3m
Unit cella = 2.95 Å; Z = 1
Identification
ColorGolden yellow
CleavageNone
Mohs scale hardness3.5
LusterMetallic
Streakbronze
DiaphaneityOpaque
Specific gravity3.92
Ultraviolet fluorescenceNon-fluorescent
References[2][3]

See also edit

References edit

  1. ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
  2. ^ http://webmineral.com/data/Zhanghengite.shtml Webmineral
  3. ^ Mindat.org