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Two tone polished Ti /Ti with Diamond Like Carbon
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Black and flame PVD
"The words I'm looking for describes the 2 colors and the name of the process, rather than the chemical elements being used in the process."
Purple PVD with pink polka dots?
If I make a batch of these colors, please shoot me, as I'm at the end of my flashlightbuilding carrier, with no more good ideas left....
There were some great guesses, the correct guess and process was posted on Flashlights Fanatic. Black Rainbow PVD. Thank You all for playing!