crandallite
noun
cran·dall·ite
ˈkrandəlˌīt
plural -s
: a mineral consisting of hydrous calcium-aluminum phosphate CaAl3(PO4)2(OH)5H20 occurring in white to grayish fine-fibrous masses
Word History
Etymology
M. L. Crandall, 20th century American mining engineer + English -ite