This decorative element changed a lot over the centuries.
What is causing blue spots on crackle ceramic vases.
Glazes are a very thin coating so most will craze quite easily.
Measures 6 5 h x 4 75 w.
High fire ceramic such as porcelain which has almost no porosity will less likely stain.
The stoneware vase features a crackle glaze for a subtle distressed look which complements the matte finish stone bottom beautifully.
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.
Use as a vase to display single stems or as a decorative piece on its own.
There are several options to try at home for crazing repair.
On rare occasions these may be larger but mostly they appear as tiny spots.
The tension happens when the glaze contracts more than the clay body does when cooling after being in the kiln.
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.
The cause of crazing is the glaze being put under too much tension.