Gypsum CaSO4·2H2O  -  07.CD.40 (Strunz)(from El Teniente Mine, Chile) This was a gift from a friend


Gypsum CaSO4·2H2O  -  07.CD.40 (Strunz)(from El Teniente Mine, Chile) This was a gift from a friend
Gypsum CaSO4·2H2O  -  07.CD.40 (Strunz)(from El Teniente Mine, Chile) This was a gift from a friend