is this just oxidised iron?
- Thread starter Newb
- Start date
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Hold it so that light bounces off it & it looks its most golden and shiny. Then turn it. If the golden colour fades or shininess dulls a lot then it is not gold.
What we are testing here is whats known as specular reflection - metals reflect equally in all directions but non metals might have a face that reflects well but they wont reflect well from other directions, especially face on.
What we are testing here is whats known as specular reflection - metals reflect equally in all directions but non metals might have a face that reflects well but they wont reflect well from other directions, especially face on.
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