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Cristallo
From Wikipedia, the free encyclopedia
For the mountain, see Cristallo (mountain).
Cristallo is a glass that is totally clear (like rock crystal), without the slight yellow or greenish color originating from iron oxide impurities. This effect is achieved through small additions of manganese oxide.[1] Often Cristallo has a low lime content, which makes it prone to glass corrosion (otherwise known as glass disease).
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/f/f7/Drinking_Glass_LACMA_M.85.150.15.jpg/640px-Drinking_Glass_LACMA_M.85.150.15.jpg)
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/f/f8/Cristallo_stem_glass_Louvre_OA1974.jpg/640px-Cristallo_stem_glass_Louvre_OA1974.jpg)
The invention of Cristallo glass is attributed to Angelo Barovier around 1450.[2]