rutile

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a mineral consisting of titanium dioxide in crystalline form. Japanese calls Kin-Kou-Seki. > jewel stone tocks 金紅石 きんこうせき 漢字

aquamarine

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It is famous as a birthstone for March. This is said to be the stone of communication. If you feel passing or lack of communication, you may want to use the power of this stone. Japan call Ai-dama. > About jewel stone stock アクアマリン 漢字

pyrite

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Japanese calls O-Te-Ko. A type of sulfide mineral. A mineral with a pale yellow opacity and metallic luster. > Jewel stone stocks 黄鉄鉱 おうてっこう