Difference between revisions of "Solarized glass"
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== Description == | == Description == | ||
| − | Formerly colorless glass that has become colored (pink, violet, yellow) due to exposure with [ | + | Formerly colorless glass that has become colored (pink, violet, yellow) due to exposure with [[ultraviolet%20radiation|ultraviolet radiation]]. Solarized glass most commonly seen is pink to violet because it contains manganese. Since at least the 2nd century BCE, manganese has been used as a glass decolorizer to diminish the greenish hue imparted by trace amounts of iron. However, with exposure to ultraviolet light, manganese can photo-oxidize to reform [[manganese%20dioxide|manganese dioxide]] which is violet in color. In the 20th century, seleium and cerium were also used as decolorizers; when photo-oxidized they impart a yellow to golden hue. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 11:20, 10 May 2016
Description
Formerly colorless glass that has become colored (pink, violet, yellow) due to exposure with Ultraviolet radiation. Solarized glass most commonly seen is pink to violet because it contains manganese. Since at least the 2nd century BCE, manganese has been used as a glass decolorizer to diminish the greenish hue imparted by trace amounts of iron. However, with exposure to ultraviolet light, manganese can photo-oxidize to reform Manganese dioxide which is violet in color. In the 20th century, seleium and cerium were also used as decolorizers; when photo-oxidized they impart a yellow to golden hue.
Synonyms and Related Terms
desert glass
Sources Checked for Data in Record
- Thomas B. Brill, Light Its Interaction with Art and Antiquities, Plenum Press, New York City, 1980