<prompt> REPEAT QUESTION. Renal Calculi associated with proteus infectionTriple phosphateUric AcidCalcium OxalateCysteine Stones.  <response>: Triple phosphate or struvite Calcium phosphate with ammonium magnesium phosphate is smooth and diy white. It grows in alkaline urine. Proteus being urea splitting organism splits urea to give ammonia and co2 whixh makes urine alkaline and promotes stag horn calculus ref : - Bailey and Love 27th edition ,chapter 76 , pg no 1406 