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2.4. The Amorphous State
Figure 2.92. Molecular structures of silicate-based minerals. Shown are (a) chain structures of chrysotile
(Mg 3 Si 2 O 5 (OH) 2 – a common member of the asbestos family) and pyroxene (XSiO 3 ,X ¼ Mg, Na, etc.), and
(b) sheet/layered structures exhibited by various clays. Reproduced with permission from Allcock, H. R.
Introduction to Materials Chemistry, Wiley: New York, 2008. Copyright 2008 John Wiley and Sons, Inc.
