Dutch

opaal

Noun

opaal n

1. opal (a mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity)

opaal m ‎(plural opalen, diminutive opaaltje n)

1. opal, a stone made of the above mineral

Estonian

Noun

opaal ‎(genitive [please provide], partitive [please provide])

1. (mineralogy) opal

Declension

This noun needs an inflection-table template.