A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c32.17
A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v2.c32.17
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- English
v2.c32.17
KNOWLEDGE OF GEMS Relative weight—Hardness—Lustre, Transparency, Colour and other Optical Properties—Fusibility—General and Concluding Remarks 30-41