Praseodymium Glass as a Pigment?

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The discussion centers on the potential use of praseodymium glass powder as a yellow-green pigment, noted for its rarity and lightfastness. Participants express curiosity about the historical context of praseodymium glass, particularly its high cost and the methods used to achieve the yellow-green color. There is speculation about the composition of the glass, questioning why silicates and aluminates, known for producing effective pigments, are not utilized to create a yellow-green variant. Additionally, there is interest in the possibility of transforming praseodymium glass into a pigment by blending it with a white opacifier and grinding it to the appropriate size for pigment applications.
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Could a powder of praseodymium glass be used as a yellow-green pigment, which have historically been rare and very lightfast?
 
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I wonder what they are using to make that color of glass then? Silicates and aluminates usually make very good pigments; so I wonder why if they can make yellow-green glass so easily why can't they make a yellow-green silicate or aluminate?
 
cuallito said:
I wonder what they are using to make that color of glass then? Silicates and aluminates usually make very good pigments; so I wonder why if they can make yellow-green glass so easily why can't they make a yellow-green silicate or aluminate?

http://www.freepatentsonline.com/EP0347945.html"
 
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Hmmm, interesting! I wonder if this can be made into a pigment?
 
I imagine it would but one would blend in a white opacifier and then grind the cullet to pigment-sized dimensions.
 

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