Global resources and production of magnesite

By IM Staff
Published: Wednesday, 26 August 2015

Although prices and demand for magnesia are dwindling in line with slowing worldwide consumption of refractories, Ian Wilson*, Consultant, discusses how new high purity sources of magnesite are being developed to target markets that require the best quality material.

Figure 1: Resources of magnesite of 13bn tonnes

Mag1  

Source: Ian Wilson

By Ian Wilson

Global resources of magnesite are presently 13bn tonnes, spread between 30 countries, with China, North Korea and Russia accounting for 70% of this total. Macrocystalline (sparry) type magnesite accounts for 93% of the resources and cryptocrystalline...

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