Nepheline Syenite A200 Size:1kg Venting is a necessity if

Venting is a necessity if your kiln is in your home

TIP: SW-105 Frost Blue is the base glaze

Cone 6: Midnight Rain is a blue-green breaking gloss glaze that contains a black crystal

and also a consideration if you use paper clay

becomes deeper cone 5

Nepheline Syenite A200 Size:1kg Venting is a necessity ifA complex rock made up of nepheline (primarily), albite and microcline used in ceramic glazes and clay bodies to initiate or promote fusion. It is mined in Southern Ontario, northeast of Peterborough. A 3: 1 mixture of nepheline syenite and silica can be used to substitute for soda feldspar such as Minspar 200. Its slight solubility can lead to hard panning in glazes; correct with epsom salts.