Attikaite

Attikaite is a copper calcium aluminum arsenate mineral with the chemical formula Ca₃Cu₂Al₂(AsO₄)₄(OH)₄·2H₂O. It was named after Attica Prefecture, where it was first identified.^[1]

Attikaite
Attikaite found at its type locality
General
Category	Minerals
Formula	Ca3Cu2Al2(AsO4)4(OH)4·2H2O
IMA symbol	Atk
Identification
Color	light blue, greenish blue
Specific gravity	3.2