200,000 tons of calcined products & 50,000 tons of Basic Monolithic Refractories

GRECIAN MAGNESITE is a magnesite specialist.

GM is a privately owned company (Portolos family) established in 1959 in Greece as a mining and industrial concern and ranks among the top magnesia producers and exporters in the world with business activity on all 5 continents.

The company produces and commercializes:
Caustic Calcined Magnesia
Deadburned (Sintered) Magnesia
Magnesium Carbonate (Raw Magnesite)
Basic Monolithic Refractories

In caustic magnesia in particular, GM is a leading world-wide producer both in volumes and spectrum of applications served.

A wide range of grades is currently produced, addressing practically all applications where magnesite is used:
- leather tanning industry
- animal feed industry
- flame retardant applications
- environmental protection
- steel industry
- ceramics industry

The company’s capacity is about 200, 000 tons of calcined products & 50, 000 tons of Basic Monolithic Refractories.

GM holds GMP+ & ISO 9001: 2008 and EUROCERT

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Characteristics of available Magnesium Carbonate
Characteristics of available Magnesium Carbonate Magnesium carbonate production is used for the production of caustic calcined and dead-burned magnesia products through calcination.
  • Magnesia
  • Magnesium carbonate
  • caustic calcined magnesite
See all news for GRECIAN MAGNESITE S.A.

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  • Quality Certificates

  • Mining

Keywords associated with this company

  • Magnesite

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Key figures

  • 201 - 500
    company headcount
  • 51 – 100
    Sales staff
  • 100%
    % of export sales
  • > 50.000 K€
    Sales turnover


  • Year established
  • Site status
    Site status
    Registered office, Parent company
  • Main activity
    Main activity
    Manufacturer/ Producer

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