Von Kossa Method for Calcium Kit demonstrates calcium phosphate and calcium carbonate salts. Von Kossa Method for Calcium Kit can reveal calcium deposits seen in metabolic diseases, Pagets disease, renal osteodystrophy, hyperparathyroidism, infarction (Gandy Gamna bodies), necrotic areas associated with TB, atheroma in blood vessels and Malakoplakia in the bladder (Michaelis-Gutman bodies). It is also used as a bone stain to indicate Osteomalacia.