calclacite
noun
cal·cla·cite
ˈkalkləˌsīt
plural -s
: calcium chloride acetate CaCl(C2H3O2).5H2O found as an efflorescence on museum specimens (as of calcareous rocks and fossils)
Word History
Etymology
International Scientific Vocabulary calcium + Cl (symbol for chlorine) + acetate + -ite; originally formed in French