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Magnesite
Magnesite carbonate, also known as
magnesite when found in nature, is a white or colourless chemical used
to make magnesium oxide. Its formula is MgCO3.
Magnesite belongs to the calcite group, a group of related carbonates
that are isomorphous with one another. Similar in many physical
properties, they may partially or fully replace one another, forming a
partial solid solution series.
Caustic magnesite is not completely calcined, 3% to 4% of carbon
dioxide being left. Mixed with magnesium chloride it makes oxychloride
cement, mainly used for floorings and as a stucco. Dead-burned
magnesite is calcined in kilns until it contains less than 1% of carbon
dioxide. It is made into an excellent firebrick.
83% of the magnesite produced is used in the refractory industry.
Elsewhere, magnesite is used as animal feed and fertiliser, in the
paper industry, in the manufacture of Epsom salts, face powder, boiler
wrappings and disinfectants.
Links:
-
MADKIM Maden San.ve Tic Ltd.
- British Geological Survey - Euopean
Mineral Statistics 2002-2003
-
Grecian Magnesite S.A.,
- Kümas
Kütahya Manyezit AS,
-
Magnesitas Navarras S.A.,
- Magnesitas de Rubian S.A.,
- Nedmag Industries Mining &
Manufacturing B.V.,
- RHI Refractories,
- Slovenské Magnezitové
Závody AS Jelsava,
- Styromagnesit Steirische
Magnesitindustrie GmbH (Styromag)
Magnesite Production
Thousand Tonnes
| |
2004
|
2005
|
2006
|
2007
|
2008 |
| Europe |
|
|
|
|
|
| Austria |
715.459
|
693.754
|
769.188
|
811.556
|
837.476 |
| Greece |
499.474
|
500.000
|
469.106
|
453.877
|
529.546 |
| Poland |
57.900
|
55.300
|
63.000
|
63.000
|
60.000 |
| Russia (Europe) |
2.340.000
|
2.340.000
|
2.340.000
|
2.340.000
|
2.340.000 |
| Serbia & Montenegro |
70.000
|
60.000
|
50.000
|
20.000
|
10.000 |
| Slovakia |
965.900
|
1.555.000
|
1.600.000
|
1.503.600
|
1.438.500 |
| Spain |
503.261
|
564.570
|
520.646
|
463.850
|
443.000 |
| Turkey |
3.732.952
|
2.372.206
|
2.088.033
|
2.100.000
|
2.142.047 |
| Yugoslavia |
0
|
0
|
0
|
0
|
0 |
| total |
8.884.946
|
8.140.830
|
7.899.973
|
7.755.883
|
7.801.569
|
| |
|
|
|
|
|
| Africa |
|
|
|
|
|
|
South Africa
|
65.900
|
54.800
|
55.000
|
55.000
|
55.000
|
|
Zimbabwe
|
749
|
864
|
939
|
940
|
940 |
| total |
66.649
|
55.664
|
55.939
|
55.940
|
55.940
|
| |
|
|
|
|
|
| Asia |
|
|
|
|
|
| China |
6.500.000
|
6.600.000
|
6.700.000
|
8.000.000
|
10.000.000 |
| Korea |
600.000
|
800.000
|
1.000.000
|
1.000.000
|
1.200.000 |
| India |
383.953
|
340.674
|
241.920
|
237.546
|
247.421 |
| Iran |
91.700
|
94.850
|
103.278
|
110.000
|
120.000 |
| Pakistan |
6.074
|
3.029
|
2.692
|
1.075
|
4.000 |
| Russia (Asia) |
260.000
|
260.000
|
260.000
|
260.000
|
260.000 |
| total |
7.841.727
|
8.098.553
|
8.307.890
|
9.608.621
|
="">
11.831.421
|
| |
|
|
|
|
|
| America |
|
|
|
|
|
| Brazil |
350.000
|
386.759
|
383.000
|
399.000
|
387.000 |
| Canada |
140.000
|
120.000
|
100.000
|
180.000
|
180.000 |
| Colombia |
10.500
|
10.500
|
10.500
|
10.500
|
10.500 |
|
total |
500.500
|
517.259
|
493.500
|
589.500
|
577.500
|
| |
|
|
|
|
|
| Oceania |
|
|
|
|
|
| Australia |
586.393
|
590.000
|
475.000
|
447.000
|
126.000 |
|
total |
586.393
|
590.000
|
475.000
|
447.000
|
126.000
|
| |
|
|
|
|
|
| WORLD TOTAL |
17.379.715
|
17.402.306
|
17.232.302
|
18.456.944
|
20.392.430
|
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