This document provides information about Mandura (iron oxide) including its chemical properties, uses in Ayurveda, methods of purification, dosages, and compound formulations. Specifically, it notes that Mandura has been used in Ayurvedic treatments since ancient times to treat anemia and skin diseases. It describes two methods for purifying Mandura involving heating it and dipping it in cow urine over 7 days. Properly prepared Mandura bhasma is described as an aphrodisiac and useful for mitigating pitta dosha and improving hemoglobin. The recommended dosage is 1/4 to 2 rattis. Finally, it lists some compound formulations containing Mandura bhasma.