Blue sapphire is one of the precious gems also called Neelam Blue sapphire is one of the precious gems also called Neelam Blue sapphire is one of the precious gems also called Neelam Blue sapphire is one of the precious gems also called Neelam Blue sapphire is one of the precious gems also called Neelam Blue sapphire is one of the precious gems also called Neelam Blue sapphire is one of the precious gems also called Neelam Blue sapphire is one of the precious gems also called Neelam Blue sapphire is one of the precious gems also called Neelam