 black_opal |
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| 1. | [ noun ] (geology) a dark colored opal with internal reflections of green or red | |
| Related terms: | opal | |
| Similar spelling: |
black_fly black_pea Blackpool blackpoll black_poplar blackball black_flag black_buffalo black_belt black_bile black_sheep black_bream black_bread block_plane Black_Friar blackcap block_up black_bryony black_plague black_pepper black_box black_bee black_panther Black_Africa black_bamboo black_vulture black_weevil blackbuck blackfly Blackfoot block_off black_fox black_pine black_buck black_spot black_book black_body black_bear black_bean black_bead black_bass block_vote |
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