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Gold (Au).

Precious metal. Ornaments.
The quality of gold is expressed in 24 fractions. Pure gold is expressed as 24 gold, 24 carats and K24. (The content of the main component of the alloy is called purity or quality.)
The gold alloy shows various color tones depending on compounding. These are generically called colored gold. The colored gold often used as the material of the case of the watch includes yellow gold, pink gold, white gold and the like.


貴金属。装飾品。
金の品位は、24分率で表される。純金は24金、24カラット、K24と表す。(合金の主成分の含有率を純度、あるいは品位と言う。)
金合金は、配合によって様々な色調を示す。これらを総称してカラーゴールドと呼ぶ。 時計のケースの素材としてよく使われるカラーゴールドには、イエローゴールド・ピンクゴールド・ホワイトゴールドなどがある。

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