What Is Causing Blue Spots On Crackle Ceramic Vases

This decorative element changed a lot over the centuries.

What is causing blue spots on crackle ceramic vases.

There are several options to try at home for crazing repair. The stoneware vase features a crackle glaze for a subtle distressed look which complements the matte finish stone bottom beautifully. Measures 6 5 h x 4 75 w. Celadon is a term for pottery denoting both wares glazed in the jade green celadon color also known as greenware the term specialists now tend to use and a type of transparent glaze often with small cracks that was first used on greenware but later used on other porcelains celadon originated in china though the term is purely european and notable kilns such as the longquan kiln in.

Iron residue contained in the clay moves slowly to the surface of the ceramic body over a long period of time forming small rust spots. Use as a vase to display single stems or as a decorative piece on its own. Bacteria stains are more likely to occur on earthenware or stoneware type pottery due to the ceramic higher porosity level allowing the moisture to penetrate deeper and stay wet creating perfect enjoyment for bacteria to flourish. Glazes are a very thin coating so most will craze quite easily.

The cause of crazing is the glaze being put under too much tension. The tension happens when the glaze contracts more than the clay body does when cooling after being in the kiln. Simple yet elegant this light blue vase adds class and grace to any table setting or mantel display.