A Tiffany vase | ||
| Art Glass17481 of 22787 |  |  |
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Posted 11 years ago
belleverre
(79 items)
This 5-1/2 inch Tiffany vase caught my eye because of one unusual feature. The surface is made of heat reactive glass which is more often seen in Tiffany's paperweight vases. The colors are similar to those of Steuben's Tyrian glass. It is signed "L. C. T. Y 9233" (2013)
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What a beautiful style & pattern I would be proud to own
As I said I do love this but am really glad Lee asked that question as I would also like to know. In my ignorance I would of thought it had to do with some sort of radioactivity'
Heat reactive glass is simply glass that changes color (reacts) under differing heating conditions, caused by the chemical make up of the glass. In this case the pale green changes to blue where the heat is more intense. While on the blowpipe the lower half of the vase shows the color change because it is further into the glory hole where it is hotter. While fire polishing the rim in the glory hole, because the shoulder sticks out farthest from the body, it gets a little bit more heat and also turns blue. See also my red Tiffany paperweight vase of a month ago.
For those more familiar with Victorian glass, "Amberina" glass is a more widely-recognized example. The glass starts as one uniform color, and then heat applied at different intensities (temperatures) results in the desired color change. That's why you typically see a gradual fade from one color to the next.