answersLogoWhite

0


Best Answer

It would be highly unusual if coal ever turned into diamond. Diamonds are formed only at depths in the crust of more than 60 miles. Coal on Earth does not exist at anywhere near this depth.

User Avatar

Wiki User

15y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How many years does it take for coal to change into a diamond?
Write your answer...
Submit
Still have questions?
magnify glass
imp