Gypsum is an industrially important mineral. It is the primary ingredient of plaster-of-Paris, which is finely ground Gypsum, and it is used in the production of cement. It is also the main component of sheet rock. It is used as a flux for creating earthenware, and can be used as a fertilizer.
Alkali Metals are rarely found in pure form, and if they are they are normally stored under oil, because they react with water and water vapor in the air very violently.They â¦ explode if placed in water because they have one electron in their outer energy level and they want to give it away so badly.lkali Metals are rarely found in pure form, and if they are they are normally stored under oil, because they react with water and water vapor in the air very violently.
1 Alkali metals. The alkali metals make up group 1 of the Table, and comprise Li through Fr. They have very similar behavior and characteristics. Hydrogen is group 1 but exhibits few characteristics of a metal and is often categorized with the nonmetals.  Alkaline earth metals. The alkaline earth metals make up group 2 of the periodic table, from Be through Ra. The alkaline earth metals have very high melting points and oxides that have basic alkaline solutions.