Is prepared from an ore of Copper and Iron Pyrite.
It has bitter, sweet principles, aphrodisiac and anti aging properties.
Its usage:
It is useful in the treatment of diabetes, helminthiasis (Intestinal worms), eye diseases, urinary tract disorders, hemorrhoids, skin diseases, anorexia, insomnia, inflammation, poison, etc.
Effect on Tridosha – Balances Kapha and Pitta.
Dosage:
125 – 250  mg once or twice a day before or after food or as directed by Ayurvedic doctor.
How to make:
It is prepared from purified Swarna Makshik. There are many different methods of preparation. Any one method can be used. Here is one such method.
Purified Swarnamakshika is boiled with lemon juice, dried. It is again ground with lemon juice, made into cakes. Heated in a closed container in absence of air in 500 – 600 degree Celsius. This process is repeated for 10 times to obtain its Bhasma (Calx).
Reference: Rasa Tarangini.