Astrocyanite-(Ce)

Astrocyanite-(Ce) is a bright blue mineral with the chemical formula Cu₂(Ce,Nd,La)₂(UO₂)(CO₃)₅(OH)₂·1.5H₂O. Its type locality is Kamoto East Open Cut, Kamoto, Kolwezi, Lualaba, Congo

Astrocyanite-(Ce)
Astrocyanite-(Ce) found at its type locality
General
Category	Minerals
Formula	Cu2(Ce,Nd,La)2(UO2)(CO3)5(OH)2·1.5H2O
IMA symbol	Acy-Ce[1]
Identification
Color	Blue, Bright blue, Blue green
Specific gravity	3.8
Density	3.8
Other characteristics	Radioactive

The name of this mineral comes from the Ancient Greek: άστρον ("astron") for "star", κυανός ("kyanos") for "blue", in allusion to its colour and habit of the aggregates, and the dominant lanthanide element in its composition.