Definition of meliphanite in US English:

meliphanite

noun

Mineralogy
  • A tetragonal aluminosilicate of calcium, sodium, and beryllium (also containing fluoride and hydroxide) that belongs to the melilite group and occurs as transparent yellow or colourless crystals.

Origin

Mid 19th century; earliest use found in James Dana (1813–1895), geologist, zoologist, and teacher. From meliphane + -ite.

Pronunciation

meliphanite

/mɛˈlɪfənʌɪt/