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کلسیت؛ یک کانی سنگ ساز با فرمول شیمیایی CaCO 3 است که در سراسر جهان در سنگهای رسوبی، دگرگونی و آذرین یافت میشود. برخی از زمین شناسان آن را یک "کانی همه جا حاضر" میدانند که در همه جا وجود دارند. سنگ کلسیت جزء اصلی سنگ آهک و مرمر بوده که این سنگها بسیار رایج هستند و بخش قابل توجهی از پوسته زمین را تشکیل میدهند. آنها به عنوان یکی از بزرگترین مخا...
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