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Sepiolite

Formula: Mg4Si6O15(OH)2.6H2O

OxideAnalysisFormula
MgO24.88%1.000
SiO255.65%1.500
H2O19.47
Oxide Weight130.44
Formula Weight161.98
If this formula is not unified correctly please contact us.

A fiberous magnesium silicate mineral. It can be found in nature as sedimentary or massive. Nontoxic and odorless.
Specific gravity: 2-2.3
Hardness: 2-2.5
Refractory: (melting point is 1500-1700 ℃)
Low thermal expansion.
Can be high in plasticity.
Dissolves in hydrochloric acid.
The chemistry here is theoretical, actual products have contamination of Fe2O3, Al2O3, CaO, etc.


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By Tony Hansen

XML for Import into INSIGHT

<?xml version="1.0" encoding="UTF-8"?> <material name="Sepiolite" descrip="" searchkey="" loi="0.00" casnumber=""> <oxides> <oxide symbol="MgO" name="Magnesium Oxide, Magnesia" status="" percent="24.880" tolerance=""/> <oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="55.650" tolerance=""/> </oxides> <volatiles> <volatile symbol="H2O" name="Water" percent="19.470" tolerance=""/> </volatiles> </material>


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