Senegalimports of Natural calcium phosphates, natural aluminium calcium phosphates and phosphatic chalk; unground was $0.28K . Senegalimported Natural calcium phosphates, natural aluminium calcium phosphates and phosphatic chalk; unground from France ($0.28K )Senegalimports of Natural calcium phosphates, natural aluminium calcium phosphates and phosphatic chalk; unground was $0.28K . Senegalimported Natural calcium phosphates, natural aluminium calcium phosphates and phosphatic chalk; unground from France ($0.28K ).Natural calcium phosphates, natural aluminium calcium phosphates and phosphatic chalk; unground exports by country in 2021