Talc is a very soft mineral, often used to make talcum powder, the powdered version of that mineral.
Talcum powder is insoluble in water.
Talc is the name of a soft mineral that is found in nature. There does not seem to be any other word for it.If you are thinking of the powder made by pulverizing talc, then that is talcum powder, or talcum for short.add. Talc is hydrated aluminum silicate, and is the softest mineral, and is accorded a hardness of 1 on the Mohs hardness scale. The word is from the Persian.
Table salt can be separated from a mixture of table salt and talcum powder through a process called filtration. In this process, the mixture is dissolved in water, allowing the salt to dissolve while the talcum powder remains insoluble. The mixture is then passed through a filter, which separates the insoluble talcum powder from the salt solution. The salt can then be recovered by evaporating the water, leaving behind the pure salt crystals.
Baby powder typically contains talcum powder, which is composed mainly of the mineral talc, a hydrated magnesium silicate. Talc is the primary ingredient in most baby powders due to its ability to absorb moisture and reduce friction on the skin.
Talc is magnesium silicate hydrate. H2Mg3(SiO3)4 or Mg3Si4O10(OH)2 And is a naturally occurring mineral. Note, a lot of baby powders are heavily perfumed, and are not pure talc. See Wikipedia link.