Steetley Magnesite, Hartlepool


4 thoughts on “Steetley Magnesite, Hartlepool

  1. Thankyou for your informative tour and the witty presentation of the history of the site. thankyou also for your encouraging the older people in the party – like myself – to venture along dangerous routes. i felt like a young schoolboy again!


    Magnesite is an important industrial mineral composed of magnesium carbonate (MgCO3). Pure magnesite is theoretically 47.8% MgO and 52.2% CO2. It is the source of two-thirds of the 9 Mt of magnesia (MgO) used annually throughout the world; 25% is extracted from sea water, with the balance coming from brines or other mineral sources such as serpentinite or brucite.

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