None. Hydrogen is not mined.
It is a contaminant in ores for other metals, ores that are mined.
Jasper is mined in countries such as the United States and India. Both countries have significant deposits of jasper and are known for producing high-quality specimens in various colors and patterns.
Many countries mined/produced gold. And many countries still do.
The following countries have mined coal for hundreds of years: The United States, The United Kingdom, and South Africa. Coal is a very important part to these countries survival.
All countries on earth have diamonds that can be mined except those in Europe and Antarctica. You can purchase a mined diamond on every continent except Antarctica, where there are no commercial enterprises that sell diamonds.
In some countries it is mined. In many countries it is taken from the sea in evaporation ponds.
Uranium is mined in USA, Canada, Australia, China, India, Niger, Russia, Kazachstan, Romania, Argentina and other countries. Plutonium is not mined; it is a by-product from nuclear reactors.
There are no diamonds mined in any European country.
13%
Uranium is mined in USA, Canada, Australia, China, India, Niger, Russia, Kazachstan, Romania, Argentina and other countries.
Gallium is important to the world because without it we would no longer have Gallium. And without gallium, there would be no gallium. So that is why, it is very important to preserve our galliumatic Gallium. Amen.