Praseodymium Glass as a Pigment?

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Discussion Overview

The discussion revolves around the potential use of praseodymium glass as a yellow-green pigment, exploring its properties, historical context, and the materials involved in creating such colors in glass and pigments.

Discussion Character

  • Exploratory, Technical explanation, Conceptual clarification

Main Points Raised

  • Some participants propose that praseodymium glass could serve as a yellow-green pigment, noting its historical rarity and lightfastness.
  • One participant references a Wikipedia article to highlight the rarity and cost of praseodymium glass, suggesting that its historical context may impact its use as a pigment.
  • Several participants express curiosity about the materials used to create yellow-green glass, questioning why silicates and aluminates, which are known to make good pigments, cannot produce a yellow-green variant.
  • Another participant speculates on the process of creating a pigment from praseodymium glass, suggesting the addition of a white opacifier and grinding the cullet to appropriate sizes.

Areas of Agreement / Disagreement

The discussion reflects a general curiosity about the feasibility of using praseodymium glass as a pigment, but no consensus is reached regarding the specific materials or processes involved.

Contextual Notes

Participants express uncertainty about the specific chemical processes and materials needed to create yellow-green pigments, particularly in relation to silicates and aluminates.

cuallito
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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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