amarillite
noun
am·a·ril·lite
ˌaməˈriˌlīt
plural -s
: a mineral NaFe(SO4)2·6H2O consisting of a hydrous sodium ferric sulfate
Word History
Etymology
probably from French, from Tierra Amarilla, Atacama province, Chile + French -ite
First Known Use
1936, in the meaning defined above