Mineral Factbook

Cyprine

Ca19Cu2+(Al,Mg)12Si18O69(OH)9IMA symbol: Cypapproved

Cyprine is a mineral with the formula Ca19Cu2+(Al,Mg)12Si18O69(OH)9, crystallizing in the tetragonal system.

Photos

Cyprine specimen photo
David Hospital · CC BY-SA 4.0 · Commons

Physical properties