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SMC - SAUDI ARABIA - Calcium Carbonate ed2

SAUDI MARBLE CO
Calcium Carbonate
TEL:  00 966 2 6352020
          00 966 2 6373509
          00 966 2 6373172
Sales:00966 2 6367474
FAX:   00966 2 6354781
mailto:smcalcium@awalnet.net.sa
Head office: 00 966 2 6726726
           Fax   :  00 966 2 6717036
mailto:norali@sol.net.sa
smc omar elbadii 2000

Calcium Carbonate, is one of the commonest mineral combination to be found on Earth. It is estimated that the mineral accounts for as much as 14% of the Earth's crust and is formed in many different geological environments. Calcite can form rocks of considerable mass and constitutes a significant part of all three major rock classification types. From the mineralogical point of view, calcium carbonate falls into three structurally different groups: the calcite group, the aragonite group, and the dolomite group.
Limestone is generally used as a generic term which designates a compacted sedimentary rock made of calcium carbonate. It is often used as a synonym for natural calcium carbonate.
Marble is a metamorphic rock, which is the result of a re-crystallization process of limestone, under conditions of high pressure and temperature. True marble has a low porosity and may host calcite crystals of several centimeters.
All these minerals, when of the highest quality, are the source of industrial calcium carbonate.
The following graph gives some estimates of the calcium carbonate consumption by industry: