Aliases
Introduction to Mineralogy, Ruri no Houseki, Ruri Rocks, 瑠璃の宝石, Default, Synonym, Japanese, English
S253SUMMER 2025TV
Part of this franchise
concluded
Announced
In production
Releasing
Completed
Ruri Rocks
Ruri no Houseki
Mineral collecting is like a modern-day treasure hunt!
Ruri, a high school girl who loves jewelry and accessories, gets into the world of mineral collecting, venturing into mountains, rivers, and caves. The first volume features numerous minerals, including quartz, garnet, pyrite, gold sand, and fluorite. The manga is full of fascinating scenes focusing on specialized tools such as a panning dish, hammer, and topographical maps. An authentic scientific adventure based on the author's solid knowledge of mineralogy!
(Source: Harta, translated)
Ruri, a high school girl who loves jewelry and accessories, gets into the world of mineral collecting, venturing into mountains, rivers, and caves. The first volume features numerous minerals, including quartz, garnet, pyrite, gold sand, and fluorite. The manga is full of fascinating scenes focusing on specialized tools such as a panning dish, hammer, and topographical maps. An authentic scientific adventure based on the author's solid knowledge of mineralogy!
(Source: Harta, translated)
Last updated
Jun 3, 2026, 11:48 PM
Franchise overview
Franchise timeline
Review every Courcast-tracked season for this series and jump between entries.
Renewal pulse
Courcast score breakdown
CourScore is the probability of an official sequel announcement within 18 months, blending attention velocity, completion strength, and catalogue health.
CourScore
65.7
CourScore is the probability of an official sequel announcement within 18 months.
Signal coverage: 100% • Signal freshness: High • Updated 1 hour ago
Top reasons
- Cross-platform audience rating - Weighted audience rating 82.0
- Time since finale - ~8 months since estimated air window ended
- Cross-platform popularity index - Aggregate reach of ~23,185 followers
Runway
Ok
Source runway looks healthy for a continuation.
Financial & Commercial76
Production Feasibility73
Audience Reception82
Strategic Priors38
Fandom Engagement1
CourScore history
CourScore over time
Last analysedJun 3, 2026, 11:48 PM
Next scheduledin 5 hours
Latest signals
Fresh telemetry
Courcast watches every connected signal to surface the freshest indicators of momentum.
| Source | Metric | Geo | Value | Collected |
|---|---|---|---|---|
| youtube | uploads 30d | GLOBAL | 9 | May 21, 2026, 12:00 AM |
| youtube | subscribers total | GLOBAL | 844 | May 21, 2026, 12:00 AM |
| wikipedia | pageviews daily | EN.WIKIPEDIA | 1 | May 26, 2026, 12:00 AM |
| mal | watching | GLOBAL | 13,870 | Jun 2, 2026, 12:00 AM |
| mal | plan to watch | GLOBAL | 37,534 | Jun 2, 2026, 12:00 AM |
| mal | completed | GLOBAL | 32,766 | Jun 2, 2026, 12:00 AM |
| anilist | trending | GLOBAL | 3 | Jun 3, 2026, 12:00 AM |
| filmarks | score mean | JP | 86 | Jun 3, 2026, 12:00 AM |
| kitsu | rating rank | GLOBAL | 932 | Jun 3, 2026, 12:00 AM |
| anilist | popularity | GLOBAL | 38,757 | Jun 3, 2026, 12:00 AM |
| youtube | uploads 7d | GLOBAL | 1 | May 21, 2026, 12:00 AM |
| youtube | views 7d | GLOBAL | 49 | May 21, 2026, 12:00 AM |
| kitsu | member count | GLOBAL | 1,381 | Jun 3, 2026, 12:00 AM |
| kitsu | score mean | GLOBAL | 79.56 | Jun 3, 2026, 12:00 AM |
| shikimori | score mean | GLOBAL | 80 | Jun 3, 2026, 12:00 AM |
| youtube | channel views total | GLOBAL | 84,467 | May 21, 2026, 12:00 AM |
| youtube | views 30d | GLOBAL | 6,684 | May 21, 2026, 12:00 AM |
| tmdb | vote count | GLOBAL | 29 | Jun 3, 2026, 12:00 AM |
| google trends | interest daily | GLOBAL | 9 | Nov 8, 2025, 12:00 AM |
| anilist | favorites | GLOBAL | 922 | Jun 3, 2026, 12:00 AM |
| anilist | average score | GLOBAL | 79 | Jun 3, 2026, 12:00 AM |
| kitsu | favorites | GLOBAL | 7 | Jun 3, 2026, 12:00 AM |
| mangadex | source status code | GLOBAL | 2 | May 23, 2026, 12:00 AM |
| mangaupdates | bayesian rating | GLOBAL | 6.06 | May 23, 2026, 12:00 AM |
| tmdb | popularity | GLOBAL | 8.55 | Jun 3, 2026, 12:00 AM |
| filmarks | mark count | JP | 3,057 | Jun 3, 2026, 12:00 AM |