Meaning of hackmanite in English:

hackmanite

Pronunciation /ˈhakmənʌɪt/

noun

Mineralogy
  • A rare, sulphur-rich variety of sodalite that exhibits tenebrescence, typically changing from pink or violet to a greyish or creamy white when exposed to sunlight.

    Hackmanite from Burma (Myanmar) and Afghanistan darkens in colour, turning pink or violet, when exposed to sunlight.

Origin

Early 20th century. From Swedish hackmanit, with remodelling of the suffix after -ite.