The most common and most likely answer to this crossword clue is the 6 letter word RUTILE which also is the latest solution we found used in New York Times in 1966.
Lustrous, dark-red mineral crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| RUTILE | 100 % | 6 | 
Words with a meaning similar to the clue: Lustrous, dark-red mineral
These words may or may not be a possible solution to this crosswords clue.- rutile
 - tantalite
 - wulfenite
 - pyrargyrite
 - realgar
 - hematite
 - strontium
 - epidote
 - sphene
 - beryl
 - cinnabar
 - bornite
 
Crossword Answer definitions
RUTILE noun- The most frequent of the three polymorphs of titanium dioxide, crystalizing in the tetragonal system, TiO2.
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution