01🔬 Authentic World of Mineralogy
Based on actual mineralogy and appraiser knowledge—you can learn about characteristics and collection methods of various minerals like quartz, pyrite, garnet, sapphire, and opal. Technical terms and appraisal techniques are carefully depicted, making it educational to watch 📖.
02🎨 Overwhelming Visual Beauty
Beautiful animation by Studio Bind excels especially in light expression, delicately depicting the sparkle of minerals and grandeur of nature. Must-see visuals with character design, animation, art, and direction all highly integrated ✨.
04🌸 Unique Characters
Charming companions appear—straightforward and energetic protagonist Ruri, cool and knowledgeable Nagi-san, bright mood maker Imari, and Shoko who hides her love for stones. Character relationships are also deeply depicted 🌟.
05💫 Careful Human Drama
Delicately expressing emotions like dreams and reality, jealousy, friendship, and setbacks—heart-touching drama unfolds. Contains the positive message that when "fun" ends, just find the next "fun" 💫.
06🎵 Exquisite Theme Songs
OP "Hikari no Sumika" by Rei Yasuda and ED "Sapphire" by Hana Hope are masterpieces singing of the work's transparency and dreams. Beautiful fusion of visuals and music further enhances the work's charm 🎶.
07🔮 Ruri's Growth Story
Highlight is Ruri's growth—at first just liking sparkly things as accessories, awakening to minerals' own charm, eventually wanting to see "beyond the stones." The finale briefly depicts adult Ruri, hinting at her future ✨.
08💎 Journey to Find Sapphires
From midpoint, exciting development as Ruri learns scientific approaches through river sand surveys and experiments to identify sapphire locations. Moving to see her researcher qualities blossom 🔬.
09🌟 Meeting Shoko
Seto Shoko loved stones since childhood but closed her heart after not being understood by others. Heartwarming to see her heart gradually opening through meeting Ruri 💕.
10🌌 Meteorite Search in the Finale
The finale features searching for micrometeorites during a hot spring trip! The surreal yet quintessential scene of searching for meteorites in yukata with a microscope on the ryokan table 🔭.
11💎 Tanigawa Ruri
CV: Kyori Nemoto
A high school girl attending Kiriu East High School who loves sparkly things. Initially aimed for gemstone accessories but awakens to minerals' own charm through meeting Nagi. Energetic and straightforward personality, full of curiosity. Called "Ruri" by Nagi and Aoi, "Ruri-chan" by Imari and Natsuki 💕.
12🔬 Arato Nagi
CV: Masami Seto
A graduate student majoring in mineralogy at Maeshiba University. Rich in knowledge about minerals and nature, serving as explainer for Ruri and viewers. Cool and calm personality but loves minerals more than anyone. Well aware of nature's dangers and always mindful of safety 📚.
13🌻 Imari Yoko
CV: Yume Miyamoto
A female university student in the same mineralogy lab as Nagi at Maeshiba University. Bright and a mood maker, often accompanying Ruri's group on mineral collecting. Senior-junior relationship with Nagi in the lab, friendly personality that quickly gets along with Ruri 🌞.
14🪨 Seto Shoko
CV: Saki Hayashi
A classmate attending the same high school as Ruri. Loved stones since childhood but closed her heart after receiving cold looks from others. Through meeting Ruri, gains a friend who shares her love for stones and gradually opens up 💜.
15🍀 Kasamaru Aoi
CV: Misuzu Yamada
Ruri's classmate and friend. Warmly watches over Ruri's mineral collecting hobby, sometimes joining activities. A close friend who calls Ruri "Ruri" 💚.
16🔮 Adult Ruri Details
Adult Ruri depicted in the finale. Standing at a fluorite location wearing the same jeans as Nagi—did she become a researcher? Her future not yet depicted in the original work is intriguing ✨.
17📖 Original Tankobon's Opening Monologue
According to the director, "The monologue at the beginning of the original tankobon is assumed to be spoken by grown-up Ruri." Looking forward to future developments regarding the anime-original connection and Ruri's future 📚.
18🌟 Connection with "Great Science Girl"
Original author Shibuya Keiichiro-sensei's debut work "Great Science Girl" and "Ruri's Jewel" share the same worldview! Characters from "Great Science Girl" apparently appear in home center scenes and such in the anime. Looking forward to future crossovers 🎬.
19💎 Shoko's Future Dreams
Seto Shoko who hid her love for stones. What path will she walk after opening her heart through meeting Ruri? Further developments may be depicted in the original work 💜.
20✨ "I Can Find Them Too"
This line is also the work's catchphrase. As words symbolizing the courage to take a step toward dreams, it resonates with many fans' hearts 💫.
