<prompt> Stones that are common with infection is:StruviteXanthine stoneCysteine stoneCalcium oxalate stones  <response>: Ans. a StruviteRef: Campbell Urology 1194 Struvite stones Magnesium Ammonium Phosphate occur only in association with urinary infection by urea -splitting bacteria. Proteus mirabilis the most common organism associated with infection. 