https://emuseum.gardinermuseum.com/internal/media/dispatcher/32507/fullGreen Jar with Curved Shoulders1992[com.gallerysystems.emuseum.core.entities.RecordXPerson@8d90]Stoneware, salt-glazed with copper and iron oxide; (lid) bronzeRobert Archambeau's Green Jar with Curved Shoulders. Piece fired (salt glazed) in Red Deer Alberta with Chuck Wissinger green glaze has approximately 4 % copper mixed with iron oxide, kiln is re-oxidized as the temperature drops to get the green colour, other wise it is a grungy brown, pff green glaze is a combination of copper (4%) and iron; colour is obtained by re-oxidizing on way down in the firing cycle. This piece was fired in a salt glaze/wood firing in Red Deer, Alberta with Chuck Wissinger.com.gallerysystems.emuseum.core.entities.Classification@3f8© Robert Archambeauhttps://emuseum.gardinermuseum.com/objects/1890/rdf