Definition of manasseite in English:

manasseite

noun

Mineralogy
  • A hydrated carbonate and hydroxide of magnesium and aluminium, Mg₆Al₂CO₃(OH)₁₆·4H₂O, that is dimorphous with hydrotalcite, crystallizes in the hexagonal system, and occurs as soft, foliated, whitish masses having a pearly lustre and a greasy feel.

Origin

1940s. From the name of E. Manasse, Italian chemist, mineralogist and petrographer + -ite.

Pronunciation

manasseite

/məˈnaseɪʌɪt/