Mashhad, Aug 20, IRNA – Mashhad, Khorasan Razavi province, boasts of the capacity to transform into the biggest precious stones trade center in the country, said a member of National Committee on C

Mashhad, Khorasan Razavi prov, Oct 24, IRNA – Iran exports precious and semi-precious stones worth rls 700 billion each year, a member of National Committee for Compiling Standard of Precious Stone