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Quick Details

  • Type: Cobbles & Pebbles
  • Place of Origin: Spain
  • Brand Name: Spanish Pebbles
  • Material: Natural Stone
  • Color: Mixed
  • Cobble & Pebble Type: Pebble

Packaging & Delivery

Packaging Details Loose in bulk or in big bags
Delivery Time 20 days


1) Extraordinary hardness
2) Measures: 2-4cm 6cm ,6-8cm ,8-10cm ,10-12cm ,12-15cm.
3) High content of silica
4) Good money

Silex blocks are extracted from a very extensive area of mountains whose detachment was swept away by rivers, seas, etc. Formed so that boulders which also extract and selected by measures for grinding pastes, ceramic raw materials and derivatives.



                                                               (%)                                                                       (%)

          Silica: SiO2                              98,7              Potassium Oxide: K2O             0.19      

          Aluminum: Al2O3                   0,21             Titanium Oxide: TiO2                  0,26

          Iron Oxide: Fe2O3                  0.24              Magnesium MgO                        0,04

          Loss on Ignition (1000 ° C)  0.15              Cal: CaO                                      <0.01




            Actual density                   2,65               Mohs Hardness                       8       Total resistance to acids, salts, bases ... with the exception of hydrofluoric acid and its compounds.

Leer más: http://www.silex-block-for-ball-mill-lining.com/novedades/bowling-of-silex/

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