DescriptionBeF2 glass.svg	The amorphous structure of glassy BeF2 in two-dimensions.
Date	5 February 2012
Source	This file was derived from: Silica.svg:
Author	Silica.svg: *Silica.jpg: Jdrewitt / derivative work: NikNaks - gallery - wikipedia
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• Silica.svg licensed with PD-self, PD-user-w
  • 2012-02-05T21:10:39Z NikNaks 474x496 (27473 Bytes) Optimise
  • 2010-01-01T08:50:00Z Polyamorph 474x496 (204437 Bytes) Reverted to version as of 19:07, 24 May 2008
  • 2009-12-31T10:21:10Z Matthias M. 474x496 (280472 Bytes) added fourth silica atom to show tetraedic bonding of SiO4
  • 2008-05-24T19:07:33Z Wimmel 474x496 (204437 Bytes) {{Information |Description=The amorphous structure of glassy Silica (SiO2). (svg version) |Source=*[[:Image:Silica.jpg|]] |Date=2008-05-24 19:04 (UTC) |Author=|Permission=see below |other_versions= }} {{RetouchedPicture|crea

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