black opal

Fetched 2026-10-26 (cache).

Synonyms: black coal, black oak, black coral, black ops, black opals, black oil, black op

Antonyms: black coal, black oak, black coral, black ops, black opals, black oil, black op

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|[[gemology]]|mineralogy}} A [[rare]], [[precious]] [[gemstone]] that is [[dark]] in [[color]] and is [[know]]n for its [[play of color]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.