Vermiculite

Chemistry

CaO10.990
Li2O0.060
MgO22.200
Al2O37.960
SiO249.000

Volatiles

LOI9.800

Miscellaneous

Notes

(Richard Willis)

Clay-making mineral of the ideal form (Mg, Ca)x(Si8-x Alx(Mg, Fe)6O20, 8H2O of varying typical analyses.
Hardness 1.6 Density 2.3-2.7 Water insoluble
Used principally in refractory materials for purposes of insulation.

Authors

XML

<?xml version="1.0" encoding="UTF-8"?>
<material name="Vermiculite" descrip="" generic="1" rawmineral="0" searchkey="" loi="9.80">
<oxides>
<oxide symbol="CaO" name="Calcium Oxide, Calcia" status="" percent="10.990" tolerance=""/>
<oxide symbol="Li2O" name="Lithium Oxide, Lithia" status="" percent="0.060" tolerance=""/>
<oxide symbol="MgO" name="Magnesium Oxide, Magnesia" status="" percent="22.200" tolerance=""/>
<oxide symbol="Al2O3" name="Aluminum Oxide, Alumina" status="" percent="7.960" tolerance=""/>
<oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="49.000" tolerance=""/>
</oxides>
<volatiles>
<volatile symbol="" name="" percent="9.800" tolerance=""/>
</volatiles>
<notes>
<note>Clay-making mineral of the ideal form (Mg, Ca)&lt;SUB&gt;x&lt;/SUB&gt;(Si&lt;FONT SIZE=2&gt;&lt;SUB&gt;8&lt;/SUB&gt;&lt;/FONT&gt;&lt;SUB&gt;-x&lt;/SUB&gt; Al&lt;SUB&gt;x&lt;/SUB&gt;(Mg, Fe)&lt;FONT SIZE=2&gt;&lt;SUB&gt;6&lt;/SUB&gt;&lt;/FONT&gt;O&lt;FONT SIZE=2&gt;&lt;SUB&gt;20&lt;/SUB&gt;&lt;/FONT&gt;, 8H&lt;FONT SIZE=2&gt;&lt;SUB&gt;2&lt;/SUB&gt;&lt;/FONT&gt;O of varying typical analyses.&lt;BR&gt;
Hardness 1.6 Density 2.3-2.7 Water insoluble&lt;BR&gt;
Used principally in refractory materials for purposes of insulation.&lt;BR&gt;

</note>
</notes>
</material>



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