variability in chemical constitution without change in crystalline form.
Origin of allomerism
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similarity of crystalline structure in substances of different chemical composition
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Consistency in crystalline form with variation in chemical composition.
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