GR - GRANITE Fara Shimbo Crystalline Glaze

Modified: 2009-05-23 11:15:04

Zinc Silicate and Rutile Crystal Producing Glaze

Material	Amount
Ferro Frit 3110	48.00
Zinc Oxide	22.00
Silica	20.00
Titanium Dioxide	10.00
100.00

Notes

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.

Related Information

Links

Firing Schedules	Shimbo Crystal Schedule 1
Typecodes	Crystalline Glaze Recipe Fara Shimbo These are from Fara\'s Crystal Glazes book II.

Mechanisms

Glaze Color	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	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).

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By Tony Hansen