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Code: GR
Modification Date: 2009-05-23 11:15:04
Member of Group: Crystal
Zinc Silicate and Rutile Crystal Producing Glaze
| Material | Amount | |||
| Ferro Frit 3110 | 48.0 | |||
| Zinc Oxide | 22.0 | |||
| Silica | 20.0 | |||
| Titanium Dioxide | 10.0 | |||
| 100.00 | ||||
| Rate (C) | Temp (C) | Hold (Min) | Step |
| 100 | 200 | 0 | 1 |
| 200 | 500 | 0 | 2 |
| 500 | 1270 | 0 | 3 |
| 999 | 1100 | 0 | 4 |
| 10 | 1075 | 0 | 5 |
This glaze produces a surface coated with small crystals of rutile which grow both around and through the zinc silicate crystals. Surface is fairly smooth. Fires from cones 8 to 10 but is at its best at cone 9. Takes all colorants well except nickel, which should not be used. Cobalt will color the rutile crystals a peacock blue; other colorants do not affect the rutile crystals much.
Mechanisms
Glaze Color - Golden Ivory
The golden color of the rutile crystals shades all colorants added to this glaze toward the yellow. In light reduction, all crystals become decidedly golden and ground (in the absence of other colorants) becomes a pale mauve.
Glaze Crystallization - Zinc Silicate and Rutile
This glaze produces both zinc silicate and rutile crystals. Zinc silcate crystals are patchy, but rutile crystals occur evenly spaced throughout the glaze surface (though they may be more visible where glaze is very thick).
Out Bound Links
- UnDescribed
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<recipe name="GRANITE Fara Shimbo Crystalline Glaze" keywords="Zinc Silicate and Rutile Crystal Producing Glaze" id="65" date="2009-05-23" codenum="GR">
<recipelines>
<recipeline material="Ferro Frit 3110" amount="48.000" unitabbr="g" conversion="0.0010" added="0"/>
<recipeline material="Zinc Oxide" amount="22.000" unitabbr="g" conversion="0.0010" added="0"/>
<recipeline material="Silica" amount="20.000" unitabbr="g" conversion="0.0010" added="0"/>
<recipeline material="Titanium Dioxide" amount="10.000" unitabbr="g" conversion="0.0010" added="0"/>
<url url="https://digitalfire.com/4sight/recipes/granite_fara_shimbo_crystalline_glaze_65.html" descrip="Recipe page at digitalfire.com"/>
</recipelines>
<urls/>
</recipe>
</recipes>
By Tony Hansen 
