Why is clear glass green?

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So you are looking for a glass dining table or coffee table, and all you can see is a green edge? You will see this in just about every table you encounter, with a few exceptions. Most tables have this greenish tint due to the high content of iron used in the manufacturing process and is typical for furniture and other industries.  Iron acts as a lubricant so that the glass can be easily drawn along a molten layer of tin. This layer enables the glass to be smooth on both sides since there are no bumps in a liquid surface. This greenish tint is most noticeable when you look at the edges of the table tops.

…and all you can see is a green edge?

To avoid this greenish tint, some companies offer extra clear glass by adding magnesium-oxide, and lowering the iron content. This glass has all the same properties and strengths of regular clear glass, without the green. If this option is available to you, be prepared to pay more than the regular glass, as this process is a bit more to produce, but the final product is amazing.Glass

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