Quartz Crystal

My "Xbox 360's" hardrive has quartz witch I play all with and the time and save memory to as well when I want to save Something.

Galena

I use pencil lead for my mechanical pencil to write on paper in school, and at home when I do my homework.

Halite

I use halite when I'm eatting french fries when I put salt on them. Also I use salt on

Calcite

When I get up in the mornings to go to school I go into the bathroom to brush my teeth with toothpaste.

Bauxite

When I want to wrap my food and save it for tomorrow I wrap it with aluminum foil.