Fracking is good news for sand companies: Energy businesses buy millions of pounds of sand to pump into oil wells in order to hold open rock fissures and get to natural gas and crude.

In this video, Fool contributor Tyler Crowe and energy and materials analyst Joel South talk about the huge sand boom -- according to The Wall Street Journal, U.S. Silica's (NYSE:SLCA) sales alone were up 45% year over year -- and fracking trends in general, including alternative and ceramic proppants. 

Video segment starts at 6:46

Joel South has no position in any stocks mentioned. Tyler Crowe has no position in any stocks mentioned. The Motley Fool has no position in any of the stocks mentioned. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.