It is said to be produced in the Vindhya and other mountains where iron abounds. It
is a dark sticky unctuous substance resembling bdellium in appearance. It has a
bitter taste and a strong smell resembling stale cow’s urine. Over
platinum foil it burns with a little inflammable smoke and leaves a large
quantity of ashes consisting chiefly of lime, magnesia, silica and iron in a mixed state of
proto and peroxide. To know more read:
