Potassium is the seventh most abundant metal in the Earth's crust. It makes up 2.4% by mass. ... Most potassium minerals are found in igneous rocks and are sparingly soluble. The metal is difficult to obtain from these minerals.

Is potassium a common metal?

Potassium is the 20th most abundant element in the solar system and the 17th most abundant element by weight in the Earth. It makes up about 2.6% of the weight of the earth's crust and is the seventh most abundant element in the crust.

Is potassium a metal or vitamin?

Potassium is a mineral and not a vitamin, and the two nutrients function differently in the human body. Still, they both contribute to better bone and heart health, among other benefits. Consuming foods rich is vitamin K and potassium is an important part of a healthy diet.