Definition of northupite in English:

northupite

noun

Mineralogy
  • A chloride and carbonate of sodium and magnesium, Na₃Mg(CO₃)₂Cl, found as fine octahedral crystals belonging to the cubic system.

Origin

Late 19th century. From the name of Charles H. Northup (b. 1861), of San Jose, California, who discovered the mineral + -ite.

Pronunciation

northupite

/ˈnɔːθʌpʌɪt/