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الماس یک سنگ گران بها است که از عنصر کربن ساخته شده است، مثل مغز مداد که از کربن ساخته شده است. اما تفاوت زیادی بین الماس و مغز مداد وجود دارد. در واقع به دلیل شکل خاص و ساختار منظمی که اجزای سازنده الماس دارد، این سنگ سخت ترین ماده موجود در طبیعت به حساب می آید. یعنی سنگی نمی توان پیدا کرد که با آن الماس را خش انداخت، مگر یک الماس دیگر. اینکه الما...
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