This document discusses several types of upratna or minor gemstones used in Ayurveda and their properties. It describes seven main upratna - Suryakanta, Chandrakanta, Rajavarta, Perojaka, Sphatikamani, Vyomasma and their qualities, purification processes, medicinal properties and recommended dosages. For example, it states that Suryakanta is a lens-shaped stone that produces fire when kept in sunlight and is used to treat various disorders like cough and obesity. Chandrakanta soothes disorders related to pitta and the moon.