Akademik

cervantite
\\sə(r)ˈvanˌtīt\ noun (-s)
Etymology: Cervantes, town in northwestern Spain, its supposed locality + English -ite
: a mineral SbIIISbVO4 composed of an antimony oxide occurring in yellow or white crystals and also massive

* * *

cervantite Min.
(sɜːˈvæntaɪt)
[Named 1856, from Cervantes (in Galicia, Spain) + -ite.]
A native tetroxide of antimony (Sb2O4), or combination of antimonious and antimonic oxides, called also Antimony ochre, found as a crust or powder, or in pale yellow acicular crystals.
in Dana.

Useful english dictionary. 2012.