LA Times Crossword AnswersDefinition
| • | A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity. |
We have spotted OPAL (4 Letters) a total of 281 times in our database. Below you may see the clues associated with OPAL and also when and where was it last seen:
| • | A mineral consisting, like quartz, of silica, but inferior to quartz in hardness and specific gravity. |