Definition of rösslerite in US English:

rösslerite

(also roesslerite)

noun

Mineralogy
  • A mineral which occurs as small colourless plates and typically forms an oxidized crust on arsenical deposits.

Origin

Mid 19th century; earliest use found in American Journal of Science. From the name of Carl Rössler, 19th-cent. German scientist + -ite, after German Rösslerit.

Pronunciation

rösslerite

/ˈrəːslərʌɪt/