Wikipedia
Chendooram is a Red color powder, It's crystal in shape, Generally made of metallic compounds and it is used in Siddha medicine, Auyerveda, Unani,Homeopathic and Allopathy medicines and remedies
History
This is been widely used in India, Persia, Greek and Arabian countries since 2nd century
Paracelsus, Claudius, Hermes, Trismegistis and Basin Valentine are the scientists in the west were researched and using these in Ancient era. Paracelsus wrote a book "The Chemical path way", Claudius wrote a book "The Hermetic and Alchemical figures " Basin Valentine wrote a Book "Triumphant chariot of Antimony" in this book he explains about Chendooram
In India Saint Bogar, Agithiyar, Kongannar were doing Alchemy and giving that medicine as Chendooram format and have solved many diseases
MORDERN ERA
Nowadays in Allopathy medical system we could see medicinal combinations like "Red oxide of Iron", " Red oxide of Mercury " etc., these Chemical composition were taken from Chendooram.