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glaze test for wodo white and colorants, cone 6-8, ox.

updated mon 23 oct 06


Alisa Liskin Clausen on sun 22 oct 06

Glaze test for WoDo White and Cobalt Retesting for Lili's
discussion about Dolomite glazes


Credited to: Alisa Clausen, revision of a glaze given by Toni Martens, RSA

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


49 Nepheline Syenite

25 Dolomite

6 Wollastonite

20 Ball Clay


100 gram

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.


Mat, white, opaque glaze, smooth surface. Iron comes through glaze.


1 Cobalt Carb.

Pale lilac

1 Cobalt Carb.

1 Tin Oxide

Deeper lilac

Regards from Alisa in Denmark