Complex sentence: It is prepared as conch shell ash, known in Sanskrit as "shankha bhasma", which is prepared by soaking the shell in lime juice and calcinating in covered crucibles, 10 to 12 times, and finally reducing it to powder ash.
Split into simpler sentences: It is prepared as conch shell ash, known in Sanskrit as Shankha bhasma. Shankha bhasma is prepared by soaking the shell in lime juice and calcinating in covered crucibles, ten to twelve times, and finally reducing it to powder ash.