levynite
noun
le·vyn·ite
lāˈvēˌnīt
variants or levyne
lāˈvēn
plural -s
: a white or light-colored mineral NaCa3Al7Si11O36.15H2O that occurs in rhombohedral crystals and is a hydrous calcium aluminum silicate
Word History
Etymology
levynite from levyne (irregular from Armand Lévy †1841 French mineralogist + English -ine) + -ite