Definitions from Wiktionary (black opal)

▸ noun:  (gemology, mineralogy) A rare, precious gemstone that is dark in color and is known for its play of color.
▸ Also see black_opal


▸ Words similar to black opals
▸ Usage examples for black opals

▸ Idioms related to black opals
▸ Wikipedia articles (New!)
▸ Words that often appear near black opals
▸ Rhymes of black opals

▸ Invented words related to black opals