Excerpt from Text: Outside homeopathy, flint as an internal remedy is practically unknown. It is hard and insoluble and therefore medicinally inert in is original form. However, as is the case with Lycopodium, Aurum (gold), Argentum (silver), Plumbum (lead), Mercury and others, Hahnemann was able to convert these substances into therapeutically useful medicines by the process of trituration. Silicea is one of the twelve bio-chemic tissue salts introduced by Dr. Schussler. It is a grand illustration of the efficacy of potentization.