The document describes the process of Abhraka Shodhana, or purification of mica. It states that mica is made red hot and then dipped seven times in a liquid medium such as kanji, gomutra, triphala kwatha, or godugdha. This process transforms impure mica into purified mica, removing any defects. The purification method involves heating mica to a red hot state and then submerging it in various herbal liquids seven times.