search  current discussion  categories  glazes - cone 4-7 

glaze test for turnidge/mfe crystalline glaze, cone 6, ox.

updated wed 10 may 06


Alisa Liskin Clausen on tue 9 may 06

Glaze test for Turnidge/MFE Crystalline Glaze, cone 6, ox.

Source: Clayart, Bill Sheppard

Credited to:

Fired on mid fire white stoneware.

Firing ramp with an electric controller is:
100c p/h to 600c (212f - 1112f)
150c p/h to 1140c (302f - 2084f)
80c p/h to 1220c (176f - 2228f)
15 min. soak
cool down max. to 900c (1652f)
Hold 1 hour
Shut off kiln


50 Frit 3110 subbed local high boron frit which is half the glaze,
but that is what I have.

22.5 Zinc Oxide

22.5 Silica

5 Lithium Carb.

Note: All raw materials are measured up or down to the nearest half
decimal. Colorants or additives to a 100 gram batch are measured in percent
to the 100 gram batch.


Gloss, transparent glaze with stark white streaking. White cyrstals
developed around edges of test tile, which is an extruded square tube.
Runny. Glaze is crazed.

With Added Nikkel, 2 percent:

Gloss, transparent glaze with softer white and pink streaking. Bright blue
crystals along edges of test tile and bottom dipping line. Runny. Glaze is
not crazed.

Regards from Alisa in Denmark