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Yellow Ochre

High iron clay

Alternate Names: Hydrated ferric oxide

Oxide Weight512.05
Formula Weight512.05
If this formula is not unified correctly please contact us.

A natural clay material containing yellow iron oxide. Used as a colorant to produce iron tan, yellow and red-brown in slips and glazes.

The original container of a bag of Yellow Ochre

The original container of a bag of Yellow Ochre

From Davis Colors

Yellow Ochre as a low fire body colorant

Yellow Ochre as a low fire body colorant

It is bright yellow in the raw state, but it still fires red. 10% Yellow Ochre was added to a buff burning stoneware clay. Left is the dried clay. The center sample was fired to 1500F. The right sample was fired to 1850F.

Yellow ochre slurry color

Yellow ochre slurry color

Just been poured on to a plaster table. It has low plasticity and dewaters quickly.

Out Bound Links

In Bound Links

By Tony Hansen

XML for Import into INSIGHT

<?xml version="1.0" encoding="UTF-8"?> <material name="Yellow Ochre" descrip="High iron clay" searchkey="Hydrated ferric oxide" loi="0.00" casnumber="70694-09-6"> <oxides> <oxide symbol="CaO" name="Calcium Oxide, Calcia" status="" percent="0.230" tolerance=""/> <oxide symbol="MgO" name="Magnesium Oxide, Magnesia" status="" percent="0.060" tolerance=""/> <oxide symbol="Al2O3" name="Aluminum Oxide, Alumina" status="" percent="19.920" tolerance=""/> <oxide symbol="SiO2" name="Silicon Dioxide, Silica" status="" percent="57.780" tolerance=""/> <oxide symbol="Fe2O3" name="Iron Oxide, Ferric Oxide" status="" percent="22.010" tolerance=""/> </oxides> </material>

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