History of Technology in India, Vol. I: From Antiquity to c. 1200 A.D. v1.c18.s4.t3.28

v1.c18.s4.t3.28

1. Maṇḍūra Prayoga (CD. Pāṇḍu 31) It is a naturally formed Iron oxide compound processed in such a way that it is converted to a very fine powder form, suitable for internal use. The other compounds of Iron oxide (Maṇḍūra) are :-