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Dolomite powder is a double carbonate rock with composition of CaCO3 and MgCO3 pertaining to 100 % in combination. The proportion is varied as per mining zone. Dolomite is being used as fillers in detergents, paints and ceramics as refractors and flux in steel industry and used as agricultural lime.
Dolomite is a common sedimentary rock forming mineral that can be found in massive beds several hundred feet thick they are found all over the world and are quite common in sedimentary rock sequences these rocks are called appropriately enough dolomite or dolomite lime stone.

Probable composition:
CaCO3 50.94%
MgCO3 43.06%

Chemical analysis:

Calcium Oxide (CaO) 32.11 %
Magnesium oxide (MgO) 20.59 %
Silica (SiO2) 0.25 %
The dolomite powder finds its application in the following areas such as:

• Reducing the acidity of soil
• As an ornamental stone
• For manufacturing cement
• Source for magnesium oxide
• As an impurity remover for smelting of iron & steel
• Also used in horticulture, home & container gardening