David Bressan is a geologist who covers curiosities about Earth. What are the most common minerals on earth? The answers is not as easy at is seems and depends if we consider the entire earth or ...

Iron is the most abundant metal on Earth and by far the one most used by man. It is cheap, strong and extremely versatile – but humans were only able to refine it 5,000 years ago, long after ...

It is a magnesium-iron-silicon-dioxide making up 38 percent of Earth's volume and the most common mineral on Earth. However, this mineral is stable only under high temperatures and pressure as ...

Lanthanum and cerium are among the most common rare earth metals. Lanthanum is used in camera lenses and lighting. Cerium is used in catalytic converters, which reduce combustion engine emissions.

There are 17 rare earth elements ... of 17 metals includes the 15 metallic elements found at the bottom of the periodic table, as well as the elements yttrium and scandium. The most valuable ...

Lanthanum and cerium are among the most common rare earth metals. Lanthanum is used in camera lenses and lighting. Cerium is used in catalytic converters, which reduce combustion engine emissions.

Lanthanum and cerium are among the most common rare earth metals. Lanthanum is used in camera lenses and lighting. Cerium is used in catalytic converters, which reduce combustion engine emissions.