Solution:Brihat Samhita of Varaha Mihira is an encyclopedic work written during the Gupta period.It is an important encyclopedic text in Sanskrit. This text exists in many Indian scripts and is preserved in Hindu, Jain, and Buddhist temples and monasteries. The book covers divination and also includes a wide range of subjects including astronomy, planetary movements, eclipses, rainfall, architecture, growth of crops, manufacture of perfume, matrimony, domestic relations, gems, pearls, and rituals. The volume expounds on gemstone evaluation criterion found in the Garuda Purana and elaborates on the sacred Nine Pearls from the same text. It contains 106 chapters and is known as the "great compilation".