The most common and most likely answer to this crossword clue is the 9 letter word MOONSTONE which also is the latest solution we found used in New York Times in 2008.
Opal alternative crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| MOONSTONE | 100 % | 9 | 
Words with a meaning similar to the clue: Opal alternative
These words may or may not be a possible solution to this crosswords clue.- moonstone
 - oct
 - emerald
 - fire opal
 - geyserite
 - hyalite
 - topaz
 - gem
 - quartz
 - stone
 - fiorite
 - girasole girasol
 
Crossword Answer definitions
MOONSTONE noun- A translucent gemstone, an orthoclase feldspar, that has a pearly lustre.
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution