fermorite
noun
fer·mor·ite
ˈfərməˌrīt
plural -s
: a mineral (Ca,Sr)5[(As,P)O4]3 that consists of an arsenate, phosphate, and fluoride of calcium and strontium and that is related to apatite and found in white crystalline masses
Word History
Etymology
Lewis L. Fermor †1954 English geologist + English -ite