Alisa and Claus Clausen on fri 6 oct 00
Source: Clayart Archives. =20
Tested on coarsely grogged, white medium range stoneware, fired to =
1220c.
=20
Receipe
Blueberry
50 Gerstely Borate
30 Flint
20 Kaolin
=20
Add
2.5 black nikkel oxide
2.5 Colb. ox.
=20
Glossy and semi opaque, black blue, stable glaze.
Greenberry
same receipe=20
Add
5 Copper carb.
5 Colbalt oxide
=20
Very glossy amost black glaze, with a blue pool in center of test bowl. =
On edges where thinnest, can almost make out a green nuance.
Very dark. This glaze dripped a lot where thickest.
Best regards,
Alisa in Demmark
=20
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