noun Etymology: Swedish saponit, from Latin sapon-, sapo soap Date: circa 1849 a hydrous magnesium aluminum silicate occurring in soft soapy amorphous masses and filling veins and cavities (as in serpentine)
SAPONITE
Meaning of SAPONITE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012