Definition of nováčekite in English:

nováčekite

(also novacekite)

Pronunciation /nəʊˈvɑːtʃɛkʌɪt/

noun

Mineralogy
  • A hydrated tetragonal oxide and arsenate of magnesium and uranium, Mg(UO₂)₂ (AsO₄)₂.12H₂ O, which is a member of the autunite group and occurs as yellow crystals.

Origin

1950s. From the name of Radim Nováček, Czech mineralogist + -ite.