Diamond by horizontally

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1. very hard native crystalline carbon valued as a gem. 2. a transparent piece of diamond that has been cut and polished and is valued as a precious gem. Japanese calls Kon-Go-Seki. > gem stocks ダイヤモンド こんごうせき 漢字

Diamond

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1. a transparent piece of diamond that has been cut and polished and is valued as a precious gem. 2. very hard native crystalline carbon valued as a gem. Japanese calls Kon-Go-Seki. > example stuff こんごうせき ダイヤモンド 漢字