# Ruri no Houseki
*Also known as: Ruri Rocks / 瑠璃の宝石*

## Facts
- Format: TV
- Status: concluded
- Year: 2025
- Season: SUMMER

## Renewal Score
**Ruri no Houseki** has a **66% renewal probability** on Courcast (confidence: 81%) as of 2026-06-04.

## Synopsis
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 knowl

## About Courcast
Courcast forecasts anime renewal probability using daily signals from streaming platforms, fan communities, and industry sources. Each CourScore (0–100) reflects fandom momentum, streaming performance, source material runway, and franchise history.

- Full details: https://courcast.com/title/ruri-no-houseki-summer-2025
- API: https://courcast.com/api/public/titles/ruri-no-houseki-summer-2025
- About Courcast: https://courcast.com/about

*Last updated: 2026-06-04*