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.
|Category||Native element mineral|
|Crystal class||Hexoctahedral (m3m) |
H-M symbol: (4/m 3 2/m)
|Unit cell||a = 2.95 Å; Z = 1|
|Mohs scale hardness||3.5|
Zhanghengite is a mineral consisting of 80% copper and zinc, 10% iron with the balance made up of 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.
Original source: https://en.wikipedia.org/wiki/ Zhanghengite. Read more