Abstract

Dr. Udhaya Shankar T.*, Dr. Surjith R. and Dr. M. R. Pandya

ABSTRACT

Polymorphism is the property of some chemical compounds to exist in two or more different forms, in same physical state. Mercury sulphide, a compound of mercury and sulphur is known to exist naturally as hingulacinnabar and also to be available in artificial forms as vermilion, rasa sindura and kajjali.The science of life, Ayurveda has described method of preparation and different therapeutic utility of these polymorphic compounds. Texts of Rasa Shastra, articles and all internet sources are referred for collection, compilation and classification of the properties and uses of thepolymorphs of mercury sulphide.The hingula is kapha hara in nature; the kajjali is an intermittent base for other formulations, its indication and the indication of rasa sindura depends on theiranupana.The vermillion doesn’t have any therapeutic description but the method of its preparation matches with methods of preparing artificial hingula and rasa sindura.