"Second-densest naturally occurring metal" NYT crossword answer is:
IRIDIUM (7 letters length)The answer for "Second-densest naturally occurring metal" crossword clue is listed above to help you solve the puzzle you are currently working on.
The second-densest naturally occurring metal is osmium, which has a density of 22.59 g/cm3. Osmium is a rare, hard, bluish-white transition metal in the platinum group that is found in alloys, mostly in platinum ores. It is the densest naturally occurring element and is the densest of all the elements that have been discovered. Osmium is used in a variety of applications, from electrical contacts to surgical instruments.