Alisa and Claus Clausen on fri 6 oct 00
Source: Clayart Archives. =20
Tested on coarsely grogged, white medium range stoneware, fired to =
50 Gerstely Borate
2.5 black nikkel oxide
2.5 Colb. ox.
Glossy and semi opaque, black blue, stable glaze.
5 Copper carb.
5 Colbalt oxide
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.
Alisa in Demmark