Originally Posted by
beltway
I am not at all sure about that. Recall that clue 3 for Aruba was "Made of lava quartz diorite and limestone."
That was the clue at the time, but if you check the results page with winning numbers, the clue now says 'I am made of lava quartz etc...'
So I think the answer to the clue has to be in the answer based on the other clues so far.