Calcite

CaCO₃

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Calcite is the most stable polymorph of calcium carbonate and is one of the most common minerals on Earth. It is the primary mineral in limestone and marble, and forms spectacular cave formations including stalactites and stalagmites.

النظام البلوري	Trigonal
صنف المعدن	05 Carbonates and Nitrates
صلادة موس	3.0
الكثافة النوعية	2.71
اللون	Colorless, white, yellow, orange, blue, green
اللمعان	Vitreous
لون الخط	White
الانفصام	Perfect rhombohedral {1011}
الكسر	Conchoidal
الشفافية	Transparent
الشكل البلوري	Rhombohedral, scalenohedral, prismatic