- tennenseki native rock, natural rock
Used for gemstones and ornamental stones sold in their natural state, not synthetic; common in jewelry and craft contexts.
この天然石のブレスレットはとても人気です。
Kono tennenseki no buresuretto wa totemo ninki desu.
This natural stone bracelet is very popular.
天然石を集めるのが趣味です。
Tennenseki o atsumeru no ga shumi desu.
Collecting natural stones is my hobby.
⚖️ Not to be confused with 宝石 (hōseki), which means gemstone and usually implies cut, polished, high-value jewels.
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