Dean, 
 
I Don't want to drift off topic too much, but the picture you posted of your nieces vase is nice.  I believe that this piece was Raku fired.  This is a process where the clazed piece is fired to temp. and then removed at temp and then placed in a trash can with straw, hay, papers and other organtic materials.  It creates a wonderful effect. 
 
There is also an old Native american method called pit firing which is just the bare unglazed clay that is buried in a pit with a fire in other organic mateirals.  And left to smolder for days.  That process is very unpredictable, but can sometimes yield some great colors. 
 
I was a Ceramic arts major in college.  So it is a subject that I am familar with.
		 
		
		
		
		
		
		
			
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				B. Dudley
			 
		
		
		
		
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