Fluorite - Naica, Mexico - 7,5 x 7,5 x 9,5 cm

Mineral: Fluorite
Locality: Naica, Municipio Saucillo, Chihuahua, Mexico
Dimensions: 7,5 x 7,5 x 9,5 cm

Description: Main crystal size: 6,5 cm Group of two colorless, brilliant twinned crystals -- violet at the edges-- with a bubble of liquid inside (spinel twin) MIM number 957 Photographer: Augustin de Valence (Aïnu)