What Are Black Kidney Stones Made Of. Kidney stones are solid masses that form in the kidney when there are high levels of calcium oxalate cystine or phosphate and too little liquid. They are more likely to be made up of oxalate or might be struvite stones.
You might hear your doctor call them renal calculi. Kidney stones have a variable composition as follows. They originate in your kidneys but can be found at any point in your urinary tract.
They are more likely to be made up of oxalate or might be struvite stones.
Once it is complete you will have a non speculative. They originate in your kidneys but can be found at any point in your urinary tract. Kidney stones vary in hue. Kidney stones black in color generally indicate that they are not composed of uric acid.