Mineral Factbook

Icosahedrite

Al63Cu24Fe13IMA symbol: Ihdapproved

Icosahedrite is a mineral with the formula Al63Cu24Fe13, crystallizing in the quasicrystal system. Its streak is grey.

Photos

Icosahedrite specimen photo
Paul Steinhardt · CC BY-SA 4.0 · Commons
Icosahedrite specimen photo
Materialscientist · CC BY-SA 3.0 · Commons

Physical properties

Streak
greysingle sourceWikidata (CC0)

Chemistry (calculated)

Molecular weight3950.93 g/molcalculated from the IMA formula
Composition (wt%)Al 43.02%, Cu 38.6%, Fe 18.38%