ITS VERY OLD TECHNIQUE USED BY SIDHAS AND ANCIENT TYPE PEOPLE WHO MADE GOLD BY SOME RARE HERBS AND SOME TIME TO PREPARE IT IAM HAVING THE FULL INFO ABOUT THIS TECHNIQUE AND GOLD NEVER BE MADE BY MERCURY BECAUSE MERCURY IS THE NOT FROM EART IT CAME FROM OUTER SPACE {SCIENTISTS NEVER PASS TO DO GOLD BY MERCURY IT IS TOTAL EVOLUTION ON EARTH IF IT IS POSSIBLE DOES MERCURY NEVER EVER DECREASES BECAUSE IT HAS SOME MAGICAL POWERS FROM LAND, WATER, FIRE, AIR AND SKY}