Impurities in the natural mineral may make it less effective.

The abundant natural mineral springs and beautiful scenery draw visitors from around the world.

This color blue is made from a natural mineral called lapis lazuli.

"Lithovores" feed on the natural minerals of a planet, and do not need to farm.

The best energy boost, though, is a bath in a natural mineral hot spring.

Consequently, these elements occur together in natural minerals and are difficult to separate.

Massicot can be found as a natural mineral in the Earth, though it is not common.

That is why these potholes are a good place to find diamonds (the hardest natural mineral on Earth).

These same salts have been heat processed and stripped of their natural minerals.

Real Salt is unrefined and is full of natural minerals.