Rinchen Terdzö is the most important and extensive collection of Tibetan_Terma Literature. It is one of the works of Jamgön Kongtrül Lodrö Thaye, known as the “Five Great Treasures”. Tibetan Buddhist tradition. Tradition holds that "Terma" can be a physical object such as a text or ritual device, buried in the ground, hidden in a stone or crystal, hidden in an herb or a tree, hidden in water or in the sky or in space .