Gypsum var. selenite
Naica Mine, Naica, Mun. de Saucillo, Chihuahua, Mexico
While drooling over minerals from Naica Mine, I’ll add a picture of my other Naica specimen.  This is a 6 inch selenite on matrix from Naica.  Probably from an older collection.  

Gypsum var. selenite

Naica Mine, Naica, Mun. de Saucillo, Chihuahua, Mexico

While drooling over minerals from Naica Mine, I’ll add a picture of my other Naica specimen.  This is a 6 inch selenite on matrix from Naica.  Probably from an older collection.