Osmium is the densest metal, and it is very strong and also very heavy. But is mostly used in alloys to increase strength, no pure metal is harder than the strongest of alloys.
One of the hardest equations in the world is Fermat's Last Theorem. It is included in the Guinness Book of World Records for "most difficult mathematical problems". It is sometimes called Fermat's conjecture.
Diamonds is not a stone it's crystal actually. But the hardest stone is granite stone.
the hardest thing about arthritis is dealing with the horrible pain
There are no 3 letter words for medal and as far as i know there are no synonyms for medal.
yes
diamond is the hardest thing on earth
The hardest matter on earth is Diamond.
Diamond is the hardest mineral on earth.
The Medal of Honor
yes diomand is the hardest thing on earth
The Victoria Cross is the hardest award for a world war II solder to earn.
The diamond is the hardest rock (or mineral).
The hardest substance that is naturally occurring is a diamond. However, there are harder substances that have been made by scientists in labs.
Yes, diamond is the hardest mineral on earth.
Diamond ( an allotrope of carbon) is the hardest material known.
Diamond is the hardest mineral known.
No,diamond is the hardest known substance on Earth.