Glass Identification - Post here for all ID requests > Resolved Glass Queries

Carved? blue fish

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glasswizard:
Thanks Ivo and Peter, now its clear in my mind what this is. Its a beautiful piece thats for sure. Ivo, I would have no such luck. If I dropped it I can just see a million pieces so I don't think I will try that as an experiment. Terry

paradisetrader:

--- Quote ---survived without a scratch, dent or chip
--- End quote ---

Isn't that strange Ivo ?
Wouldn't high quality crystal have a high lead content ?
Isn't lead crystal particularly prone to chipping ?
(I am thinking of cut lead crystal here)
Or has glass technology advanced so much in recent years that this is no longer the case ?

Ivo:
I haven't got a clue what formula the Mexicans use for their souvenir ware but there might be some Silica involved

--- Quote ---Silica is used as a raw material feedstock for the production of glass where it is mixed with lime and soda to produce domestic glass for windows, bottles, jars, light bulbs and plate glass. Alternatively it may be mixed with boron oxide and soda to produce thermal shock resistant glass for cooking such as Pyrex. High-grade fused silica may be used on its own for the production of glass where a high thermal stability and shock resistance is required.
--- End quote ---
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