Boleite | blue cube crystal, tiny rare mineral specimen from MexicoThis vivid blue boleite from Mexico is a rare and highly sought after halide mineral, best known for its deep indigo cubic crystals. Typically found in very small sizes, boleite often forms as sharply defined crystals. Mexican localities have long been celebrated for producing the worlds finest and most collectible examples of this uncommon mineral. Size: 2 x 2 mm Weight: 0. 55 ct ( Conversion: 1 inch = 25mm ) Origin: Boleo District, Santa Rosala,