Mirror of Stainless Crystal
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The Mirror of Stainless Crystal (Tib. དྲི་མེད་ཤེལ་གྱི་མེ་ལོང་, drimé shel gyi melong, Wyl. dri med shel gyi me long) - a famous dictionary of substances used in preparation of medicines in Tibetan medicine, many of which are also used frequently in vajrayana practices.