Mandur (Mandoor) Bhasma Reference: Rasatarangini INTRODUCTION This herbal mineral formulation known as Mandoor/ Mandur Bhasma is made from calcined iron. When iron keeps lying under the surface of earth for years, it starts rusting which is chemically known as Ferric Oxide. According to Ayurveda 80- 100 years old is considered to be supreme. This ferric oxide is purified and crushed to form Mandoor Bhasma. It is a little less potent than Loha Bhasma. But, as it is made from ferric