12 substances with price. "The most expensive in the world"

On Earth, we have many substances and minerals. And as we know, most of them are just gold, diamonds, etc. Most of us and we will see that these substances are worth the most expensive. But have we ever known that among all the substances in this world? There are also more expensive materials than these.

Today we will take friends with 12 objects in the most expensive substances in the world.

Rank 12 place in the gold , priced at $39 per gram

Rank 11 Rhodium price about $45 per gram.