mud - soil with mud, muck, or mire; The child mucked up his shirt while playing ball in the garden muck up, muck, mire begrime, bemire, colly, dirty, grime, soil - make soiled, filthy, or dirty; don't soil your clothes when you play outside!
Quartz is one of the most common minerals in the Earth's crust. It is made up of silicon dioxide (SiO2), otherwise known as silica. White sand is primarily made from quartz. Click here to find out more.
Quartz is a chemical compound consisting of one part silicon and two parts oxygen. It is silicon dioxide (SiO 2). It is the most abundant mineral found at Earth's surface and its unique properties make it one of the most useful natural substances.uartz is a chemical compound consisting of one part silicon and two parts oxygen. It is silicon dioxide (SiO 2). It is the most abundant mineral found at Earth's surface and its unique properties make it one of the most useful natural substances.