Meaning of mountain soap | Babel Free

Definitions

A soft earthy mineral, of a brownish colour, which has a greasy or soapy feel and is used as a filler in crayons.

obsolete, possibly, uncountable

Examples

“It soils either strongly, as chalk and mountain soap; or slightly, as molybdana, lead⟳ glauce, and graphite. Besides this, there are three other distinctions connected with this character to be attended to.”

“[…] seven different minerals possessing the same formula, namely, fahlunite, esmarkite, pyrargillite, bole, iron⟳ lithomarge, halloylite from La Vouth and from Thiviers, and mountain soap from Thuringia.”

“Sometimes, after removing the coating of calcspar from the crystals, they appear⟳ to be covered with a mass resembling steinmark or mountain soap. The compact and crystalline hornblende occurs almost everywhere as a constituent of the[…]”

CEFR level