Someone posted this on the laser forums earlier today. It has some rare woods and show how they compare and take darkening from engraving.
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oooo dat ayous
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Ah, you’re killing me with all this wood. I have so much of it ready to go but haven’t figured out the engravings I want to do. Soon. Soon. Nice inspiration.
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This is the first ayous wood that I have seen. I like the contrast that the engraving creates. I have learned so much from all of these forums. 
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Also, cherry darkens over time, so the contrast will go down over a couple years
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Didn’t know that! Mental bookmark. 
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This is just aging over a couple years.
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That’s even more dramatic than I imagined. Thanks for the visual!
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Yeah, No problem!
Walnut actually gets more colorful and contrasted as it ages. Just another reason for me to love walnut even more!
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How long will that continue? I expect it would be much like any oxidized surface, once it is complete the process stops.
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Yeah from what I’ve read it only happens in the first few years. Here’s the article I got the walnut photo from, it’s a good read:
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Interesting, Thanks!
Some finishes will impede the process, and some cleaning processes will reverse it, btw. (We have a cherry dining room table, and have only been saying for the past 10 years that we really need to take it outside and re-oil/rewax.)
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