Ruri no Houseki
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Épisodes (13)
EP 1Ruri cherche du quartz abordable et apprend la géologie avec l'aide de Nagi
6 juil. 2025A student named Ruri wants a quartz point necklace she cannot afford. She decides to travel to the mountains to find her own crystals. Instead she finds Nagi, a graduate geologist with a Mini Cooper and a medieval European war hammer for sampling recalcitrant formations. With Nagi's help, Ruri obtains a nice quartz cluster; a baggie of pigeon-blood garnets; basic knowledge of pegmatites, plate tectonics, and erosion and transport; and a yen for the earth sciences. Now Ruri wants a rock hammer. (Source: Wikipedia)
EP 2Ruri espère trouver de l'or et découvre la différence entre valeur monétaire et valeur scientifique
13 juil. 2025Nagi takes Ruri to a gold prospecting district. Gripped by gold fever, Ruri gains skill with her new rock hammer. But the stones she splits contain only pyrite, confirmed by streak test. A crystal with an unexpected shape prompts a discussion about the difference between cash value and scientific value. Next they pan for placer gold in a stream bed, finding better success after a heavy rain. Searching a pothole yields even more gold, including a huge nugget that Ruri would rather keep than sell. (Source: Wikipedia)
EP 3Nagi et Ruri explorent un laboratoire universitaire et découvrent un cristal de bismuth mystérieux ainsi qu'une vieille carte.
20 juil. 2025Nagi brings Ruri to her messy graduate lab at the university, where Ruri meets Nagi's colleague Yoko. Nagi has published a paper on the unusual pyrite crystal Ruri found and listed Ruri as a co-author. In tidying up the lab, Ruri finds an otherworldly-looking bismuth crystal. Nagi shows her how it was made. Ruri also finds an old topographic map, valuable because it shows a mine not depicted on newer maps. The three girls travel to investigate. A magnet helps identify iron ore in the tailing pile. Falling into a collapsed section of tunnel, they must traverse more tunnels to escape. Nagi's ultraviolet flashlight reveals a galaxy of fluorite crystals not previously recorded. Nagi encourages Yoko to lead a study on them. (Source: Wikipedia)
EP 4Ruri utilise le magnétisme pour accélérer l'analyse de la source de saphir pendant que Yoko étudie les fluorites.
27 juil. 2025Seeking sapphires, Ruri searches sands. Nagi explains that river sand recaps the geology of all upstream drainages. Examining sand from each tributary and recording both positive and negative results will eventually lead to the source of the sapphires. But the method requires hours of work on the binocular microscope. Ruri finds a shortcut by running a magnet over the sample to remove the magnetic fraction. Yoko works on her fluorites, which may contain tungsten. Ruri's friends begin to wonder how she's spending her free time. (Source: Wikipedia)
EP 5Ruri, Yoko et Nagi explorent une plage de graviers à la recherche de roches et de minéraux.
3 août 2025Ruri, Yoko, and Nagi search a gravel beach, finding banded agates and other forms of quartz. Nagi speaks of rocks as fascinating clues to the formation and history of the world. A fleck of silvery metal proves anomalously dense in a simple test. It might be platinum, which is less rare in serpentinite from the Earth's mantle. Nagi provides a short review of volcanism and plate tectonics. In the mountains they find a big shiny block of serpentinite, and more platinum grains in a nearby stream. (Source: Wikipedia)
- 6EP 6
Ruri et ses amies localisent le gisement de saphir après avoir corrigé une erreur de note près d'un sanctuaire.
10 août 2025Ruri has identified the watershed with the sapphire deposit. She, Nagi, and Yoko travel to the area and visit a shrine. Searching on foot nearby seems hopeless, partly because fallen leaves cover the ground. Ruri finds a mistake in her notes. More sand searches correct the error and further pinpoint the deposit. Climbing to a ridgeline, they find plentiful sapphires. Nagi explains how they might have come to be there. An old inscription hints at a missed clue in the shrine's name. Shown but not mentioned: Ruri's shoes and clothes are now more suitable for outdoor work. (Source: Wikipedia)
- 7EP 7
Shoko se fait des amis tout en explorant le verre de mer et la science des couleurs de la silice avec Ruri.
17 août 2025Schoolgirl Shoko loves rocks, but receives no support until she encounters Ruri and company investigating sea glass. We learn different ways for silica glass to gain colors, including by thin-film interference. A day of searching for old bottles on the beach gains Shoko new friends with a shared interest. Ruri learns that her name is an old word for blue glass. (Source: Wikipedia)
- 8EP 8
Shoko et Ruri enquêtent sur la qualité de l'eau et découvrent des cristaux orange dans une usine abandonnée.
24 août 2025Shoko, whose shirt commemorates nihonium, explores water quality for her school science project. Ruri wants in on it. Between samples, Shoko finds and then loses an orange crystal. Yoko checks water quality as well, using it to locate a new fluorite deposit. More water tests lead the investigators to an abandoned factory. Inside, they find rare orange zincite. It serves as a pretty decoration and a symbol of Shoko's and Ruri's friendship. (Source: Wikipedia)
- 9EP 9
L'équipe découvre des opales au barrage après avoir enquêté sur les déchets de la rive et les sources de quartz
31 août 2025Ruri is disappointed when a reported opal deposit turns out to be fully mined out. Record rains deliver cultural waste to the riverbank, along with unexpected quartz and pyrite. Nagi puts on an impromptu fashion show. The team returns to the river. They search upstream and discover the source of the quartz and pyrite. Further on, at a dam site, they find plentiful opals concentrated by water flow. (Source: Wikipedia)
- 10EP 10
Des géologues explorent une mine de manganèse abandonnée et découvrent des ballasts de rhodonite toxiques
7 sept. 2025The geologists set out for a historical manganese mine, with Yoko hesitantly in the lead, after Nagi has to miss out due to a last-minute excursion. We learn some properties and uses of manganese. Blocked by a collapsed rail tunnel, the team searches for fallen samples along the tracks. They discover rhodonite and rhodochrosite in quantity, suggesting prohibited use of potentially toxic tailings as track ballast. Perhaps a long-ago rail crew used their cargo for emergency repairs, though the actual answer remains unknown. (Source: Wikipedia)
- 11EP 11
Ruri utilise l'analyse des gemmes pour résoudre son dilemme concernant le choix de sa filière
14 sept. 2025Ruri cannot decide which elective courses to take. Yoko makes "thin slates" and examines them in polarized light. Ruri applies the technique to her sapphires to learn about their formation. Returning to the field, she seeks bits of the crystals' original host rock. Testing with hydrochloric acid reveals calcite. More searching in correlation with the story of the old shrine yields many more sapphires and a plausible model of their history. With more confidence and clearer self-knowledge, Ruri chooses to study Earth science. (Source: Wikipedia)
- 12EP 12
Ruri découvre une radio à cristal parmi les effets personnels de son grand-père et tente d'en construire une avec ses amis.
21 sept. 2025Among her grandfather's old things, Ruri finds a contraption of copper wires and crystals. Nagi identifies it as a crystal radio. Ruri, Shoko, and new friend Aoi try to recreate it, but struggle to find the right mineral for the detector. A germanium diode works, confirming the build is correct. A nearby shrine with connections to Ruri's family offers better reception. (Source: Wikipedia)
- 13EP 13
Des géologues visitent un hôtel thermal et découvrent des sphérules cosmiques dans la poussière du toit.
28 sept. 2025The geologists visit a classy hot-spring hotel. A white stone ring proves to be lime from the spring deposited in a pipe. Nagi speaks of career opportunities for geologists. At night they watch for shooting stars. Nagi reveals that rooftop dust may contain micrometeorites that can be harvested with a magnet. With the aid of a microscope, they find a cosmic spherule. Ruri reflects on the fun of scientific discovery and looks forward to more. (Source: Wikipedia)
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Questions fréquentes
- Combien d'épisodes compte Ruri no Houseki ?
- Ruri no Houseki compte 13 épisodes.
- En quelle année Ruri no Houseki est-il sorti ?
- Ruri no Houseki est sorti en 2025.
- Quel studio a produit Ruri no Houseki ?
- Ruri no Houseki a été produit par Studio Bind.
- Qui a réalisé Ruri no Houseki ?
- Ruri no Houseki a été réalisé par Shunichirou Yoshihara.
- Ruri no Houseki est-il terminé ?
- Statut actuel de Ruri no Houseki : Terminé.