Gypsum - Gibraltar Mine, Mexico - 13,0 x 6,5 x 4,5 cm

Mineral: Gypsum
Locality: Gibraltar Mine, Cueva de las Espadas, Naica, Municipio Saucillo, Chihuahua, Mexico
Dimensions: 13,0 x 6,5 x 4,5 cm

Description: Main crystal size: 12,8 cm Colorless, almost perfect parallelogram with an side crystal MIM number 897 Photographer: Augustin de Valence (Aïnu)