hinsdalite
noun
hins·dal·ite
ˈhinzˌdāˌlīt,
-dəˌl-
plural -s
: a mineral (Pb,Sr)Al3(PO4)(SO4)(OH)6 consisting of a basic lead and strontium aluminum sulphate and phosphate occurring in coarse crystals and masses
Word History
Etymology
Hinsdale county, Colorado, its locality + English -ite