Elixir Jesuiticum, Sive, Quinta Essentia Jesuitarum Ex Variis, Inprimis Pontificijs, Authoribus Alembico Veritatis Extracta, Mundi Theatro Exhibetur (1645) is a book written by Johann Leonhard Weider. The book is written in Latin and is a compilation of various writings by Jesuit authors, primarily from the Pontifical College in Rome. The book is a collection of alchemical and philosophical treatises that discuss the nature of the Jesuit order and their spiritual beliefs. The book is divided into five parts, each of which corresponds to one of the five elements of alchemy: earth, water, air, fire, and quintessence. The book is intended to be a guide for those seeking to understand the Jesuit order and their beliefs, as well as a source of spiritual inspiration for those interested in alchemy and mysticism. The book is a valuable resource for historians and scholars of religion, philosophy, and alchemy.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.