He could show that barite and the new mineral were two different minerals.
Concentration of different minerals has changed throughout this time.
Spotted Lake is very highly concentrated with numerous different minerals.
Though there are thousands of different minerals, only about 30 are common in Earth's crust.
Instead, it is found combined in over 270 different minerals.
These rocks have a complex history and a vast array of different minerals.
Over 100 different minerals have been identified from the area.
The samples of matter used by Mohs are all different minerals.
In rocks made up of several different minerals, some will melt at lower temperatures than others.
The effects of this process can be illustrated by crushing different minerals in pure water.