'ruri's jewels'), also known as introduction to mineralogy, is a japanese manga series written and illustrated by keiichirล shibuya [ja] The main two girls are nagi arato and ruri tanigawa The story features high school student ruri, a girl who loves minerals and jewelry who meets graduate student nagi, fostering an interest in mineralogy.
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While shopping, high school student ruri tanigawa is captivated by a crystal necklace
Due to its high price, she can only dream of owning oneโuntil her mother tells her about a mountainous area where ruri's grandfather used to discover numerous minerals.
With miyari nemoto, asami seto, yume miyamoto, saki hayashi Ruri loves rocks, crystals and jewelry, and starts a course in mineralogy. High schooler ruri tanigawa loves shiny things She loves them so much that she heads into the mountains to search for crystals herselfโwhere she unexpectedly meets nagi arato, a graduate student.
Synopsis ruri meets nagi's colleague imari, and the three embark on a journey to find a lost mine.