2008 | OriginalPaper | Chapter
Structure, Chemistry and Crystallization Conditions of Calcium Oxalates — The Main Components of Kidney Stones
Authors : Alina R. Izatulina, Vladislav Yu. Yelnikov
Published in: Minerals as Advanced Materials I
Publisher: Springer Berlin Heidelberg
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The present work contains the results of studies of crystal chemistry and crystallization of calcium oxalates from human renal stones (whewellite and weddellite). These minerals are the most frequently occurring components of these pathogenic stones. The whewellite-dominant stones usually occur as polynuclear spherulite aggregates with characteristic radial microstructure (Fig. 1a). On the surface of whewellite stones, bipyramidic structures of weddellite have been observed (Fig. 1b).