Crystal glaze
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This a specific glaze, once very popular in the early 20th century, in the factories of Sèvres and Pierrefonds. Fallen in disuse, it reappeared in some modern studios.
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Mine is mainly made of zinc and fired up to 2300°F. The cooling process is slowed down around 2100°F to allow crystals to grow. The temperature is then stabilized to create halos.
Colour changes and pearly appearance are obtained by creating a smoked out atmosphere in the kiln.
![image_email1](http://www.alainfichot.com/wp-content/uploads/2016/03/image_email1-300x299.jpg)
Matte Crystalline
![detail6](http://www.alainfichot.com/wp-content/uploads/2016/03/detail6-300x300.jpg)
![detail7](http://www.alainfichot.com/wp-content/uploads/2016/03/detail7-300x300.jpg)
Development of crystals is still excitingly unpredictable, ending either in good surprises or in disappointment…
![image_email4](http://www.alainfichot.com/wp-content/uploads/2016/03/image_email4-300x299.jpg)