[1][2] It was used by the Kosadhyaksha (Superintendent of Treasury) and mentioned in Kautilya's Arthashastra in order to control the trade of pearl, diamonds and all the other important gems in antiquity.
There is also mention of another author in the medieval period, Thakkar Pheru, who is again credited with having worked on this subject.
There's a mention of one Vaidyaraj Shri Radha Krisha Navetia who uses Ratna Pariksha for preparing a type of alcohol meant in the use of gem refining.
[8] Gemmology- a study based on ancient Sanskrit Sources- (2013)PhD Thesis- submitted by Dr.G.Sudev Krishna Sharman under the guidance of Dr.C.
Rajendran at Department of Sanskrit, University of Calicut, Kerala, India