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)
| Word | Frequency | Difficulty |
|---|---|---|
| 内部 | 7 | 3.28 |
| 取 | 7 | 3.79 |
| あのね | 7 | 3.94 |
| 当たり前 | 7 | 3.08 |
| つもり | 7 | 2.48 |
| 校 | 8 | 4.09 |
| 商 | 8 | 3.78 |
| 2人とも | 8 | 4.00 |
| 朋友 | 8 | 4.79 |
| 升 | 8 | 5.12 |
| 八つ | 8 | 2.93 |
| 光芒 | 8 | 4.54 |
| 名字 | 8 | 4.50 |
| 幼 | 8 | 4.00 |
| 突然 | 8 | 2.92 |
| 繁 | 8 | 5.06 |
| 大事 | 8 | 2.94 |
| 勿 | 8 | 5.02 |
| 大きさ | 8 | 3.07 |
| 顔 | 8 | 1.91 |
| 効率化 | 8 | 4.74 |
| 何なの | 8 | 3.66 |
| 小 | 8 | 2.99 |
| 海底 | 8 | 4.05 |
| 削る | 8 | 3.52 |
| 標本 | 8 | 4.88 |
| お願い | 8 | 2.92 |
| 例 | 8 | 3.74 |
| 色んな | 8 | 3.36 |
| 幾 | 8 | 2.12 |
| 一部 | 8 | 3.02 |
| 者 | 8 | 2.04 |
| オレンジ色 | 8 | 4.35 |
| 事情 | 8 | 3.01 |
| 御名 | 8 | 3.60 |
| 買う | 8 | 2.81 |
| 強い | 8 | 2.36 |
| 空洞 | 8 | 4.17 |
| 磁石 | 8 | 4.91 |
| 戻る | 8 | 2.35 |
| 為に | 8 | 2.22 |
| 吃 | 8 | 4.37 |
| 嘘 | 8 | 2.93 |
| 全都 | 8 | 5.19 |
| コイル | 8 | 5.16 |
| 世 | 8 | 3.54 |
| 佛 | 8 | 5.69 |
| 挺 | 8 | 4.50 |
| 漏る | 8 | 5.25 |
| 今回 | 8 | 2.47 |
| 行ける | 8 | 3.40 |
| 変 | 8 | 2.97 |
| 一敗 | 8 | 3.30 |
| 独 | 8 | 4.53 |
| 昭和 | 8 | 4.71 |
| ないか | 8 | 2.68 |
| 片 | 8 | 3.98 |
| 発見 | 8 | 3.22 |
| 個 | 8 | 3.31 |
| 落ちる | 8 | 2.99 |
| 何の | 8 | 2.78 |
| 悠 | 8 | 3.29 |
| この辺 | 8 | 3.73 |
| 友達 | 8 | 3.17 |
| 米 | 8 | 3.70 |
| 数十 | 8 | 3.58 |
| 地球上 | 8 | 4.98 |
| 交流 | 8 | 3.50 |
| これだけ | 8 | 3.14 |
| いいか | 8 | 3.15 |
| 自己 | 8 | 3.25 |
| この中 | 8 | 3.83 |
| 気になる | 8 | 3.19 |
| 様に | 8 | 1.76 |
| 系 | 8 | 2.92 |
| 巧妙 | 8 | 4.50 |
| かなり | 8 | 2.54 |
| 字幕 | 8 | 4.74 |
| 粒 | 8 | 4.09 |
| 安全 | 8 | 3.17 |
| 明 | 8 | 3.55 |
| 波 | 8 | 3.25 |
| 茶屋 | 8 | 4.76 |
| 歩く | 8 | 2.65 |
| 仰天 | 8 | 4.60 |
| 起きる | 8 | 2.74 |
| 箱 | 8 | 3.37 |
| 今まで | 8 | 2.69 |
| 程 | 8 | 2.89 |
| 堆 | 8 | 5.98 |
| 流入 | 8 | 4.59 |
| 医員 | 8 | 3.06 |
| 平 | 8 | 4.03 |
| 可惜 | 8 | 3.37 |
| サイズ | 8 | 3.36 |
| 如何 | 8 | 3.47 |
| 紫外 | 8 | 6.66 |
| てよ | 8 | 3.40 |
| 水流 | 9 | 4.08 |
| 如何した | 9 | 3.27 |
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