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- بزرگترین تولید کنندگان سنگ گرانیت در جهان، کشورهای چین، هند، ایتالیا، برزیل، کانادا، آلمان، سوئد، اسپانیا و آمریکا هستند. ذخایر فراوان در کنار کیفیت مرغوب توده سنگ، باعث شده تا همه ساله مقادیر بسیار زیادی گرانیت از این کشورها استخراج و علاوه بر تأمین نیازهای داخلی به کشورهای دیگر نیز صادر شود. در ایران نیز معادن بزرگ و باکیفیتی برای سنگ خارا وجود د...
اندازه گرانیت در صنایع معدن
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