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Ravenscrag Cone 6 Variegated Light Glossy Blue

Code: GR6-B
Modification Date: 2016-09-30 22:48:11
Member of Group: RV 6

Plainsman Cone 6 Ravenscrag Slip based glaze. It can be found among others at http://ravenscrag.com.

MaterialAmountPercent
Ravenscrag Slip80.073.4%
Ferro Frit 313420.018.3%
Additions
Cobalt Oxide3.02.8%
Rutile3.02.8%
Titanium Dioxide3.02.8%
 109.00  

Firing Schedule

Rate (F)Temp (F)Hold (Min)Step
100220601
300173302
1082175153
1502075304

Notes

This produces a variegated light medium blue glaze that breaks greenish over edges. This glaze is very consistent and has very good working properties.

Variations

5% titanium dioxide, 1% cobalt oxide, 1% copper oxide and 0.5% iron oxide: A light glossy blue glaze with some lighter variegations, breaks to a green over the edges.

3% Cobalt Carbonate, 3% Rutile, 3% Titanium dioxide: A variegated light medium blue glaze that breaks greenish over edges.

2% copper oxide and 2.5% titanium dioxide: Does not leach on vinegar test. Produces a celadon green with some crystals growing on the bottom of the bowl where it pools. Normal application

Ravenscrag Recipe B Light blue

Small porcelain vase

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By Tony Hansen

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