Gypsum on limonite - Gibraltar Mine, Mexico - 30,0 x 15,0 x 44,0 cm
Mineral: Gypsum on limonite
Locality: Gibraltar Mine, Cueva de las Espadas, Naica, Municipio Saucillo, Chihuahua, Mexico
Dimensions: 30,0 x 15,0 x 44,0 cm

Description: Main crystal size : 37,0 cm Large perfectly transparent, bright and symmetrical crystal streaked all along the front, with small side crystals and remnants of the limonite matrix at the base MIM number 1640 Photographer : James Elliott (FMI)