The most common and most likely answer to this crossword clue is the 4 plus 4 letter word GOLD DUST
I've seen this crossword clue in The Daily Telegraph
G
O
L
D
D
U
S
T
More clues leading to the result GOLD DUST
- Powder that’s rarely valuable
- German louts merrily downing Double Diamonds? This is very rare
- Its rare to find good evidence of poor housekeeping)
- Metal mop is, apparently, quite rare
- Burst of passion about ancient diamonds and other valuable stuff
- Blast around the long-standing delta is a result of placer mining
- Girl's ancient stud's crumbled into valuable fine powder
- Travel on day after day in desire for rare commodity
- d Something we say is elusive or remains?OR is a heraldic term for a precious metal, add what remains when we have crumbled away for a phrase that we say for something very elusive.
Buddy explains!
The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does GOLD DUST mean?
GOLD DUST noun- Gold in the form of very small pieces, or flour gold.
- Anything of great value.
- Aurinia saxatilis