Palabora Vermiculite

Crude vermiculite is a member of the phyllosilicate group of minerals, resembling mica in appearance.  Although vermiculite is found in various parts of the world, Palabora mines deposits in the Phalaborwa region of the Limpopo Province in South Africa.  Palabora vermiculite is hydrated phlogopite mica which has the ability to expand many times its original volume when heated, a property known as exfoliation.

After being mined from open cast pits by drilling and blasting, the vermiculite is separated from the host rock by a process of crushing and air separation. Ore is blended from various parts of the mine in order to maintain a consistent and reliable product.  The final concentrate is graded ready for shipment worldwide.

Being non-combustible and insoluble in water or organic solvents, vermiculite is safe and easy to handle, making it suitable for a wide range of different applications.  The bulk density, size and aspect ratio of exfoliated vermiculite can be carried to suit particular end uses, and due to its inherent stability, vermiculite is being used increasingly in applications where health and safety are of prime importance.

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Technical Information


The Myriad Uses of Vermiculite

  • Animal Feedstuffs

  • Bitumen Coated Vermiculite Screeds

  • Chemically Processed Vermiculite

  • Fire Protection

  • Friction Linings

  • Horticulture

  • Insulation in Steelworks and Foundries

  • Lightweight Concretes

  • Loft Insulation

  • Packing Materials

  • Processed Vermiculite

  • Refractory Products

  • Silicate Bonded Shapes and Blocks

  • Vermiculite Plasters


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