Concept
Version 9
Created by Boundless
Silicate Units, Silicate Chains, Silicate Sheets
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"Silicate-sheet-3D-polyhedra."
http://commons.wikimedia.org/wiki/File:Silicate-sheet-3D-polyhedra.png
Wikimedia
Public domain.