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It depends on the glass. Some glass is literally stained; that is, painted with a transparent dye. Some glass is colored internally by the presence of small amounts of transition metal compounds. Cobalt, for example, gives a characteristic deep blue; copper can produce a pale blue, and the pale aquamarine of a glass Coke bottle is due to small traces of iron. Finally, some glass is colored by the deposition of an extremely thin film of metal of a very precisely controlled thickness. This is called dichroic glass, and is interesting because the color results from the reflection of certain frequencies rather than absorption. The glass therefore doesn't heat up as much, making this a very popular method of generating color from high-powered theatrical lights (the moving colored lights in rock concerts often use dichroic glass).
What else can I help you with?
What is Stain glass potash?
This is a colored glass.
What is small pieces of colored glass called?
Small pieces of colored glass are called "mosaic tiles."
What is a coke glass made of?
A Coke glass is made out of colored glass.
Is a cup transparent?
A cup can be transparent if it is made of glass or acrylic. Other cups may be opaque or have a colored or patterned design that makes them not transparent.
What is colored glass held together with strips of lead?
Stained glass.
How is glass colored and what are the different methods used to achieve different colors in glass?
Glass is colored by adding certain metal oxides or compounds to the raw materials during the manufacturing process. Different colors in glass are achieved through various methods such as adding cobalt for blue, manganese for purple, selenium for red, and iron for green. Additionally, glass can be colored through techniques like overlaying different colored glass layers, using colored enamels, or applying metallic coatings.
What has the author Neal A Vogel written?
Neal A Vogel has written: 'The preservation and repair of historic stained and leaded glass' -- subject(s): Art glass, Colored Glass, Conservation and restoration, Glass painting and staining, Glass, Colored, Preservation
What is in a colored candle that makes it colored?
CHEMICALS
How old is colored glass?
Colored glass has been found in Egypt, made during the 18th dynasty, i.e. 16th - 13th centuries BC.
What is coloured bit inside marble and how does it get there?
The color is a bit of swirled colored glass.
How do you make colored glass?
inks and dies are added to glass when it is in powdered form, then mixed in
What happen when light strikes a smooth and shiny colored glass?
When light strikes a smooth and shiny colored glass, the glass will reflect the light, so you will see a reflection of the light on the glass surface. The color of the glass will also affect how the light is reflected, making the glass appear colored. The smooth surface of the glass will result in a clear and sharp reflection of the light.
