Definition of niggliite in English:

niggliite

noun

Mineralogy
  • A hexagonal mineral consisting of platinum and tin, and occurring as silver-white metallic grains, especially at Ntsizwa in the Eastern Cape province, South Africa.

Origin

1930s. From the name of Paul Niggli, Swiss mineralogist + -ite.

Pronunciation

niggliite

/ˈnɪɡlɪʌɪt/