Black marks in Hard Maple?

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Forum topic by Eddie posted 12-17-2013 09:53 PM 873 views 0 times favorited 5 replies Add to Favorites Watch
View Eddie's profile


212 posts in 1915 days

12-17-2013 09:53 PM

Topic tags/keywords: maple purpleheart

Hey guys,

I made an end grain cutting board this week to take to a white elephant gift exchange.

As I ripped the boards and got ready for the final glue up I noticed black marks in the maple.
At the time, I thought they were burn marks and expected to use a scraper or plane to take them off when prepping for oiling.
Well I started scraping and then realized the black marks made it all the way through the wood.

Its not a deal breaker and the gift will still be well recieved but I am starting one for my wife now and would prefer those not show up.

What do you guys think this is?

Here is a pic from before flipping every other piece and final glue up (ignore the largest black mark – that one really was burning)

5 replies so far

View MaroonGoon's profile


281 posts in 1922 days

#1 posted 12-17-2013 10:07 PM

Does it look like blue stain from fungus to you? Can’t really see it that well in those pics. Blue stain I’ve seen took up a larger area of the board than that but who knows. Maybe someone else has a better idea.

-- "Only put off until tomorrow what you are willing to die having left undone." -- Pablo Picasso

View Eddie's profile


212 posts in 1915 days

#2 posted 12-17-2013 10:14 PM

MaroonGoon—thanks for the reply. From what I can see it isnt very blue. I added another picture to the post that was before I flipped the pieces for final glue up. The largest black mark was indeed a burn but you can see the repeated black/grey marks that Im talking about.

View Ripthorn's profile


1454 posts in 2949 days

#3 posted 12-17-2013 10:54 PM

To me it just looks like some mineral streaking. I have seen it in different maples before. Totally unpredictable where it will be.

-- Brian T. - Exact science is not an exact science

View lumberjoe's profile


2899 posts in 2212 days

#4 posted 12-17-2013 11:20 PM

Mineral streaking. I go through a ton of maple. It’s pretty common


View Eddie's profile


212 posts in 1915 days

#5 posted 12-17-2013 11:25 PM

Thanks guys, still new to using quality lumber.
I appreciate the feedback.

Hopefully it wont pop up in the board I will be making for my wife this week.

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