Thread
:
Factoids
View Single Post
04-16-2011, 05:28 PM
#
213
orlok
Close to the Edit!
Posts: 9,797
Karma: 267994408
Join Date: Jan 2011
Location: UK
Device: Kindle Oasis, Amazon Fire 8", Kindle 6"
The hardest metallic element is chromium (not found on the top of Everest...), with a Mohs value of 8.5. It is also responsible for the red colour of rubies.
orlok
View Public Profile
Find More Posts by orlok
Track Posts by orlok via RSS