Dolomite

Dolomite

Dolomite has long been of a great importance in the production of iron and steel, glass, ceramics, refractory bricks and castables.

This mineral is an anhydrous carbonate mineral consisting of a double carbonate of calcium (Ca) and magnesium (Mg) with a chemical composition of CaMg (CO3)2.

As a leading miner and supplier of dolomite in the Middle East, PERSOL distributes this mineral to loads of countries such as India and China. Our company mines dolomite from its rich dolomitic mines located in central Iran, which enables us to supply this mineral with special whiteness and chemical analysis.

To meet the various requirements of our customers, we offer raw dolomite, calcined dolomite, powder, and dolomite sand. PERSOL’s dolomite is also recognized for its rich MgO compound of above 20% with low content of impurities including iron, phosphorous and sulphur.

  • Iron and steel industry (as a flux for the smelting of iron and steel)
  • Ferro-alloys Industry
  • Glass Industry
  • Petrochemical Industry
  • Fertilizers
  • Refractories

Property

 

Bulk density (Chip)

0.85-0.9 ton/cum

Specific gravity

2.65-2.85

Color

White

Whiteness

>90%

Mohs

3.5-4

Compound  

Weight percent (%)

MgO

20-21.4

CaO

30-32

SiO2

0.1-0.25

Fe2O3

0.05-0.15

Al2O3

0.1-0.15

SO3

<0.03

P2O5

<0.01

L.O.I

46-47

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