View Original: | Quartz_sand_particles.jpg (267x164) | |||
Download: | Original | Medium | Small | Thumb |
Courtesy of: | commons.wikimedia.org | More Like This | ||
Keywords: Quartz sand particles.jpg en Quartz sand particles The primary component of typical beach sand is quartz or silica SiO2 Quartz is a hard mineral which not having any cleavage planes does not fracture easily Quartz is found in many types of rocks ~ USGS 2012-09-18 05 58 24 http //geomaps wr usgs gov/parks/coast/sand/sand html United States Geological Service PD-USGov Uploaded with UploadWizard Sand Beaches |