With a large chunk of Lapis Lazuli in one hand, and a 14th-century recipe in the other, Jessie recruits Monica Ganio of the Getty Conservation Institute to make the most expensive pigment ever discovered, Ultramarine Blue. Instructions from: Il Libre dell'arte https://primo.getty.edu/primo-explore/fulldisplay?vid=GRI&docid=GETTY_ALMA21165425220001551&context=L Getty is a world-renowned cultural and philanthropic organization that shares and advances the world’s visual art and cultural heritage. Collectively and individually, our programs pursue our mission in Los Angeles and throughout the world. Our engagement in culture, arts, and philanthropy is achieved through our constituent programs: the Getty Conservation Institute, Getty Foundation, Getty Museum, Getty Research Institute, and Getty Trust. Getty: https://www.getty.edu/ The Getty Conservation Institute works internationally to preserve culture and advance the practice of art conservation. Our work is driven by the values of excellence, innovation, leadership, collaboration, and service. Current projects include post-doctoral fellowships in conservation science. The Getty Foundation is responsible for funding research and preservation of visual arts projects. The Foundation partners with people and organizations throughout Los Angeles. We award grants to support art historical scholarship, conserve art and architecture, increase access to museum collections and archives, and train visual arts professionals. The Getty Museum fosters the enjoyment and understanding of art through events, exhibitions, and education. Visit the Getty Center and the Getty Villa Museum to explore exhibitions featuring art by Leonardo da Vinci, medieval artists, and others. Admission is free! Visit Getty’s website for tickets. The Getty Research Institute works to further the knowledge of visual arts and culture through expertise, active collecting programs, public programs, institutional collaborations, exhibitions, publications, digital services, and residential scholar programs. Our activities and resources provide a unique environment for research, critical inquiry, and scholarly exchange. Getty Conservation Institute: https://www.getty.edu/conservation/ Getty Foundation: https://www.getty.edu/foundation/ Getty Museum: https://www.getty.edu/museum/ Getty Villa Museum: https://www.getty.edu/visit/villa/ Getty Research Institute: https://www.getty.edu/research/