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, or silicon dioxide (SiO2), is the world'ds most common  mineral. Sand, for example, is made up mainly of quartz and calcium  carbonate.  The second most common mine â¦ ral is feldspar.