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Luster39 of 303Lötz Coppelia with silbeiriris applications, 1904Josephinenhuette Cut-to-Clear vase designed by Alexander Pfohl, ca. 1927
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Posted 2 years ago


(476 items)

A few weeks ago, Czechman asked for help with the identification of a soft iridescent blue tazza. A few of us went for Kralik.

Loetz produced a similar decor--vessels rolled in powdered glass-- and called it Silberiris. It salient characteristic: bright metallic iridescence.

Kralik created vessels with same technique, but with a soft kind of iridescence. Members of the Glasshounds played around with a name for it. There was no doubt it was a kind of Silberiris, but the iridescence was totally different. Since Loetz had used the word "Glatt" to mark non-metallic iridescence, we finally decided on Glatt Silberiris. The pictures show the color range. There is a fifth one, a light green. Please notice the shapes, which appear in other decors such as Silveria (pics. 1, 3). There are also shade variations within a color.

As usual, the entire range can be viewed at

Thanks to Obscurities for having come up with the final denomination, and to Czechman for prodding me into this post.


  1. czechman czechman, 2 years ago
    thanks alfredo :)

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