Switch currency

Delhayelite

Type Locality
Mt Shaheru, Mt Nyiragongo, Goma, Kivu, Democratic Republic of Congo (Zaïre)
Mineral Data
(Na,K)10Ca5Al6Si32O80(Cl2,F2,SO4)3·18H2O
Strunz: 
9.EB.10
Physical Properties
Crystal System: 
Orthorhombic
Hardness: 
0.0