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File:Quartz sand particles.jpg

Quartz_sand_particles.jpg ‎(267 × 164 pixels, file size: 11 KB, MIME type: image/jpeg)

Summary

Description
English: 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
Date 18 September 2012, 05:58:24
Source http://geomaps.wr.usgs.gov/parks/coast/sand/sand.html
Author United States Geological Service

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Public domain This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code. See Copyright.

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