My sample collection

"Celestine (1)"

From: Lime and cement mines of Baulmes (Vaud, Switzerland)
Mineral(s): Celestine - SrSO4
Age: ? Tertiary-Quaternary ?

Description: Cristals of celestine growing inside a crack (grey host rock is a marly rock). This mineral, a sulfate, is an excellent ressource for strontium (45 weight-% of Sr in it, but not exploit in Baulmes...).