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Introduction to Mineralogy Anime's New Video Unveils More Staff, Theme Songs, July 6 Debut
posted on by Joanna Cayanan
Hana Hope performs "Sapphire" ending
The newly announced additional staff are:
- Assistant Director: Yasuhiko Akiyama
- Chief Animation Directors: Kazuhiro Ōta
- Prop Design: Anzu Nakai
- Mineral Design: CLUSELLER
- Art Director: Shunichirō Yoshihara
- Art Setting: Kazushi Fujii
- Color Key Artist: Makiko Doi
- Compositing Director of Photography: Takuya Ogata
- Editing: Yūji Oka
- Sound Effects: Takuya Hasegawa
- sound Production: Bit Grooove Promotion
The anime will premiere on July 6 first on the TV Aichi on July 9.

©2025 渋谷圭一郎/KADOKAWA/「瑠璃の宝石」製作委員会
- Miyari Nemoto as Ruri Tanigawa
- Asami Seto as Nagi Arato
- Yume Miyamoto as Yōko Imari
- Saki Hayashi as Shōko Seto
- Misuzu Yamada as Aoi Kasamaru
EGG FIRM is producing the anime.
The "science adventure" story follows high school student Ruri, a girl who loves minerals and jewelry. One day, she meets mineralogy graduate student Nagi who pulls her into the world of mineralogy.
Shibuya launched the series in Harta magazine in 2019. Kadokawa shipped the fifth and final compiled book volume on September 13.
Sources: Introduction to Mineralogy anime's website, Comic Natalie
Disclosure: Kadokawa World Entertainment (KWE), a wholly owned subsidiary of Kadokawa Corporation, is the majority owner of Anime News Network, LLC. One or more of the companies mentioned in this article are part of the Kadokawa Group of Companies.