List of Indian LapidariesRatnapariska of Buddhabhatta. Work in verse. The stones it describes are 14 in number.
Brhatsamhitâ of Varahamihira (505 - 587). Four chapters of a vast encyclopedia.
Agastimata (6th century). Poetic composition of 322 verses.
Navaratnapariksa. Indeterminate epoch. Simple and clear summary of everything known in relation to gems.