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Scanning electron microscopy of calcium oxalate stones indicates a zonary structure of the Weddellite crystals of urine concrements which is due to concentration-dependent growth oscillations representing the precipitation of various calcium oxalate hydrates. In addition to the phenomenological demonstration of Weddellite crystal shapes, incubation experiments with different solutions give rise to the postulation of a dehydration process of primary Weddellite crystals via dissolution and recrystallization to Whewellite. The solvent attack starts at energetically preferred corners, edges and lattice disorders of the Weddellite crystals. The Weddellite-stabilizing role of urinary Mg ions is emphasized.
W Berg, and
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D Rössler
January 1982,
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W Berg, and
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D Rössler
March 2003,
Chemistry & biology,
W Berg, and
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D Rössler
November 1992,
British journal of urology,
W Berg, and
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D Rössler
August 1950,
American journal of clinical pathology,
W Berg, and
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D Rössler
December 2009,
Urological research,
W Berg, and
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C Bothor, and
D Rössler
October 1984,
Hinyokika kiyo. Acta urologica Japonica,
W Berg, and
P Lange, and
C Bothor, and
D Rössler
January 1996,
Urological research,
W Berg, and
P Lange, and
C Bothor, and
D Rössler
January 1984,
Urological research,
W Berg, and
P Lange, and
C Bothor, and
D Rössler
January 1987,
Mineral and electrolyte metabolism,
W Berg, and
P Lange, and
C Bothor, and
D Rössler
February 2015,
Urolithiasis,
