Ca2SiO4
It is a silicate. For sure.
Beryl is a sillicate
sillicate
silicon and oxygen
The Galena Public Library is located at 601 S Bench St, Galena, Illinois.
sillicate
sillicate
sillicate
The address of the Galena Archival Library is: 204 W. 7Th Street, Galena, 66739 1211
Galena's cleavage is cubic.
Galena is metallic.