Saline springs and streams are also numerous, from which salt can be obtained by evaporation.

But, besides these sources of supply, rock salt is found in places, and this is largely quarried, and is preferred by the natives.
Other important products of the earth are saltpetre, which is found in the Elburz, and in Azerbijan; sulphur, which abounds in the same regions, and likewise on the high plateau; alum, which is quarried near Tabriz; naphtha and gypsum, which are found in Kurdistan; and talc, which exists in the mountains near Koum, in the vicinity of Tabriz, and probably in other places.
The chief wild animals which have been observed within the limits of the ancient Media are the lion, the tiger, the leopard, the bear, the beaver, the jackal, the wolf, the wild ass, the ibex or wild goat, the wild sheep, the stag, the antelope, the wild boar, the fox, the hare, the rabbit, the ferret, the rat, the jerboa, the porcupine, the mole, and the marmot.

The lion and tiger are exceedingly rare; they seem to be found only in Azerbijan, and we may perhaps best account for their presence there by considering that a few of these animals occasionally stray out of Mazanderan, which is their only proper locality in this part of Asia.

Of all the beasts, the most abundant are the stag and the wild goat, which are numerous in the Elburz, and in parts of Azerbijan, the wild boar, which abounds both in Azerbijan, and in the country about Hamadan, and the jackal, which is found everywhere.

Bears flourish in Zagros, antelopes in Azerbijan, in the Elburz, and on the plains near Sultaniyeh.