mendozite
/mɛnˈdəʊzʌɪt/Mineralogy
noun
The monoclinic form of hydrated sodium aluminium sulphate, NaAl(SO4)2·11H2O, occurring as white translucent crusts and fibrous masses.
Origin
Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. From Mendoza, the name of a province in western Argentina where the mineral is found + -ite.