संस्‍कृतशब्‍दकोशः

Monier–Williams

कृष्णलवण — {lavaṇa} n. black salt L##a factitious salt (either that prepared by evaporation from saline soil, or the medicinal kind [= {viḍ-lavaṇa}], a muriate of soda with a portion of sulphur and iron) L.