Best Quality Salt Lamps. Every Global Spirit Salt Lamp is an individual work of art and unique in its own style, colour, and shape. Genuine Himalyan salt crystal is over 250 million years old and formed in a pristine,primal ocean. Talented craftsmen and artists, carefully select, hand-carve and shape the unique salt crystals that are used to create our Global Spirit Hamalayn Salt Lamps. Have complete confidence that you are receiving the puret salt crystals in the world and the finest quality craftsmanship.