a complex hydrous silicate of aluminum and magnesium, a light-colored, soft clay mineral, often found in veins and cavities in serpentine and basaltic rocks
Origin of saponiteSwedish saponit ; from Classical Latin sapo: see saponify and amp; -ite
A clay mineral that is a hydrous silicate of aluminum and magnesium and occurs in soft amorphous masses in the cavities of certain rocks.
Origin of saponiteLatin sāpō, sāpōn-, hair dye; see saponin + –ite1.
(countable and uncountable, plural saponites)
- (mineralogy) A trioctahedral smectite mineral.