This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Original Black and white atomic sites changed to colour. Legend text size also increased. The original can be viewed here: SiO2 - Glas - 2D.png: .
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Versions
File:Silica.svg is a vector version of this file. It should be used in place of this JPG file when not inferior.