Assertion: hemimorphite | /r/HasProperty | important zinc ore
Facets:
Source sentences:
text: Hemimorphite is an important zinc ore and has been mined from the upper sections of zinc ores foryears.
text: Hemimorphite is an important zinc ore, mined from parts of zinc ores for years under a range of names: electric calamine, kieselgalmei (or kieselgalmey), wagite and more.
text: Hemimorphite is an important zinc ore and has been mined from the upper sections of zinc ores foryears.
text: Hemimorphite is an important zinc ore and has been mined from the upper sections of zinc ores foryears.