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Reactive Glass Colors

 

This is part two of a multi-part series on reactive glass colors.  Click here to go to part one.

 

When two glasses come into contact during fusing and create a third color, this is almost always caused by specific ingredients in the two "reactive" glasses.  The most common ingredients which lead to a reaction are sulfur, selenium, copper, lead, and silver.  As the chart below illustrates, reactions between these ingredients tend to fall into seven main categories.

 

  Sulfur Selenium Silver
Copper X X  
Lead X X X
Silver X X  

X indicates a reaction between the two ingredients

 

 

1.  Copper - sulfur  reaction

 

2.  Copper - selenium reaction

 

3.  Lead - sulfur reaction

 

4.  Lead - selenium reaction

 

5.  Lead - silver reaction

 

6.  Sulfur - silver reaction

 

7.  Selenium - silver reaction

 

Coming soon -- a list of reactive glasses for each of the categories above.

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Copyright 2006 Brad Walker.  All rights reserved.

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