
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 no Houseki is a Japanese anime of 57,833 characters, with 3,273 unique words and 1,089 different kanji. Its difficulty rating on Jiten is hard, 3.3 out of 5. The full vocabulary list ranks all 3,273 words by how often they appear, and you can study them on Jiten or download them as an Anki deck.
Here are some of the words that appear most often in this media, as well as a sample of its rarer vocabulary.