Rasa Shastra forms the core of the Ayurvedic treatment that mainly deals with Parad and a vast number of minerals, metals and animal products having therapeutic as well as alchemical importance. In Rasa Shastra metals and minerals depending on similar composition/properties to different Vargas (groups). Sikata varga is compounds of silica-containing group of drugs having enormous therapeutic value. Classification of Sikata varga was not use in classical manuscripts, the scattered description of features, types and processing into formulation of these drugs and their usage in alchemy; various methods of binding of mercury (Parada bandhas) as well as internal administration were enumerated. Authors of 20th century have grouped these drugs under a specified class called Sikata Varga. The current work has been made to systemic compilation of all scattered information in one place for easy and better understanding of all Sikata varga Dravya in Ayurveda.