Hawthorne Bond
Missouri Fire Clay
Chemistry
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Volatiles
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Links to Other Materials
- APG Missouri Fireclay - Unspecified
- Fireclay - Parent
- Cache
Miscellaneous
- Family: Clay Other
- Region: None
- Mined At: Unspecified
- Raw Mineral: No
- Generic: No
Notes
A popular buff firing plastic Missouri fireclay of fine particle size. It fires a light color with approximately 10% shrinkage at cone 10. Ground to 35 mesh.
Val Cushing recommends it as a substitute for Pine Lake Fireclay and with 15% Lizella red as a substitute for PBX Fireclay.
Jim Robinson has done much work with this material and observes that it is variable and shivers common glazes.
Suppliers
- Christy Minerals Co
Authors
- Tony Hansen (Owner)
XML
<?xml version="1.0" encoding="UTF-8"?>
<material name="Hawthorne Bond" descrip="Missouri Fire Clay" generic="0" rawmineral="0" searchkey="Hawthorne Fireclay, Hawthorn, HAWTHORN 35m" loi="0.00">
<families>
<family name="Clay Other"/>
</families>
<oxides>
<oxide symbol="CaO" name="Calcium Oxide, Calcia" status="" percent="0.300" tolerance=""/>
<oxide symbol="MgO" name="Magnesium Oxide, Magnesia" status="" percent="0.700" tolerance=""/>
<oxide symbol="K2O" name="Potassium Oxide" status="" percent="1.300" tolerance=""/>
<oxide symbol="Na2O" name="Sodium Oxide, Soda" status="" percent="0.100" tolerance=""/>
<oxide symbol="TiO2" name="Titanium Dioxide, Titania" status="" percent="1.900" tolerance=""/>
<oxide symbol="Al2O3" name="Aluminum Oxide, Alumina" status="" percent="35.200" tolerance=""/>
<oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="51.000" tolerance=""/>
<oxide symbol="Fe2O3" name="Iron Oxide, Ferric Oxide" status="" percent="1.400" tolerance=""/>
</oxides>
<volatiles>
<volatile symbol="" name="" percent="8.000" tolerance=""/>
</volatiles>
<references>
<reference name="seealso" reason=""/>
<reference name="seealso" reason=""/>
</references>
<suppliers>
<supplier name="Christy Minerals Co" country="US" url="http://www.christyco.com" label=""/>
</suppliers>
<notes>
<note>A popular buff firing plastic Missouri fireclay of fine particle size. It fires a light color with approximately 10% shrinkage at cone 10. Ground to 35 mesh.
Val Cushing recommends it as a substitute for Pine Lake Fireclay and with 15% Lizella red as a substitute for PBX Fireclay.
Jim Robinson has done much work with this material and observes that it is variable and shivers common glazes.</note>
</notes>
</material>
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