Turquoise Turquoise: cameo color blue, consists of aluminum, copper phosphate, and in some cases of iron, which is amorphous and lightweight so it is fair crack, one of the most valuable kinds of precious stones in jewelry, and Iran is more productive state for Fairuz in the world.
Topaz topaz: also known as yellow sapphire, consists of silicate fluorine and aluminum, is a stone very precious, multi-color and can sometimes appear without color, and Brazil is one of the most producing countries Topaz, frequently used topaz in jewelry and precious jewelry industry.
