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What is Identity the type of Stone shown below: and explain in detail?
Ans. (b) Cholesterol Cholesterol: Pale yellow - Only Cholesterol is present 15% are Radio opaque* Black: Hard Stone- Insoluble Bilirubin Pigment polymer+ Calcium Phosphate + Calcium Carbonate Brown: Soft friable like Earth sand- Calcium Bilirubinate+ Calcium Palmitate+ Calcium Stearate+CholesterolBlack stones are 60% radio opaque Brown stones are never radio opaquePigment stone is the name given when the stone contains Cholesterol <30%