soda niter
soda nitre BrE

The mineral form is also known as nitratine, nitratite or soda niter.

Sodium nitrate, also known as caliche, Chile saltpeter, and soda niter, is a chemical compound.

In addition, it has been used to describe some forms of quartzite, bauxite, kaolinite, laterite, chalcedony, opal, and soda niter.

Larry confesses that the soda niter plant is a front for a large illegal alcohol operation that is backed by the East Coast crime syndicate.

He had pastes to turn the hair blond, a mixture of green ilex, rye, white horehound, soda niter, alum, and yarrow; or to change the complexion there were compounds of stallion, bear, camel, snake, rabbit, whale, mare, bittern, doe, wildcat, and otter.