Definition of rhomboclase in English:

rhomboclase

noun

Mineralogy
  • An iron sulphate mineral occurring as colourless or pale yellow, green, or blue tabular crystals, commonly as an oxidation product of pyrite.

Origin

Early 20th century; earliest use found in Mineralogy Magazine. From rhombo- + -clase, after Hungarian rhomboklas.

Pronunciation

rhomboclase

/ˈrɒmbəkleɪz//ˈrɒmbəkleɪs/