Blue spinel weighing 2.07 carats of Vietnamese field Luk Yen.
All of the multicolor palettes of the jewelry spinel is the most rare specimens are blue and blue. Natural spinel is a beautiful blue or blue is rarer than red or pink spinel.
Cobalt blue spinel – electrically vivid blue spinel, whose unusual colouring is caused by the admixture of cobalt. This color variety spinel– the most rare. The only source of bright cobalt spinel Vietnam field Luk Yen. Crystals over 1 carat are rare.