Spalters Inc. #14: more study results

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Blog entry by Sodabowski posted 06-30-2017 12:31 PM 1127 reads 0 times favorited 8 comments Add to Favorites Watch
« Part 13: Pushing the studies on Chlorociboria to their ultimate goal Part 14 of Spalters Inc. series no next part

Hi all,

Long time since the last installment.

So, after using most of my time this year as a teacher, I finally managed to get back to the study with the folks at the C2RMF. Good and bad news : xylindein, the green stain produced by Chlorociboria, doesn’t really get on well with most finishes. When it’s still in its “raw” form, inside the mycelium of the fungus across the wood fibers, it’s less picky but still some finishes won’t do the cut and will fade it with no possibility of a return.

Why does it matter? Well, when you’re dealing with an historical piece of furniture, the last thing you want is your new varnish to destroy its color. Even for contemporary work, given the work that it takes to cut the veneers and assemble a marquetry, it would be a shame if the finish destroyed the color after a few weeks/months/years.
If you work with green-spalted wood, that is.

Now that the study is done (but not yet published) I can give you all a hint : stay away from petroleum wax, it totally destroys the xylindein in a matter of weeks! Beeswax doesn’t cut it a lot more either. Shellac is okay as long as you use the dewaxed blonde version, preferably bleached. More next time!


-- Thomas - there are no problems, there are only solutions.

8 comments so far

View chrisstef's profile


18027 posts in 3613 days

#1 posted 06-30-2017 01:19 PM

The obvious answer is for you to make your own compatible finish now. Sodathane!

-- Its not a crack, its a casting imperfection.

View Dominik Matus's profile

Dominik Matus

104 posts in 2516 days

#2 posted 06-30-2017 01:22 PM

Cool. This is very interesting for me. I’m just waiting for the article. As I know, craftsmen who made the Cheb relief intarsia, they used just animal glue as a surface treatment and in some cases wax on it and later in history people put the shellac also. In most cases it’s still green.

-- Cabinetmaker, restorer

View shipwright's profile


8453 posts in 3405 days

#3 posted 06-30-2017 02:22 PM

Thanks for the update Thomas. Would you be able to post a link to the article when it is published?

-- Paul M ..............the early bird may get the worm but it’s the second mouse that gets the cheese!

View Schwieb's profile


1897 posts in 4068 days

#4 posted 06-30-2017 03:50 PM

Thomas, Nice to see you post again. It’s been a long time for me too. I just remembered that my Daughter is in France as I write this.

-- Dr. Ken, Florida - Durch harte arbeit werden Träume wahr.

View Sodabowski's profile


2388 posts in 3440 days

#5 posted 06-30-2017 07:33 PM

@Chris: whoa, dude, gotta love that name, hahaha!
@Dominik: hey I didn’t know that, do you have any studies on that matter? Shellac disturbs xylindein on the long run with exposure to light, as my exteded study showed.
@Paul: that will be the next step, it was an internship report, but I sure will.
@Ken: been ages for sure, this first year as a teacher was really painstaking, not because of the teaching but because of the corresponding (useless) diploma.

You’ll see more of me these holidays, I’ve started building the bandsaw sawmill last time I was at the parents’, this summer I might be able to really get a lot done on it, for now I have the cutting head welded, which was the difficult starting point: teaching myself how to stick weld, with help of all the Youtubers who do just that!

-- Thomas - there are no problems, there are only solutions.

View Dominik Matus's profile

Dominik Matus

104 posts in 2516 days

#6 posted 06-30-2017 11:54 PM

Well, I just bought the book Reliefintarsien aus Eger in german about it. But i thing there will be nothing more about this. What else? I will tell you.

-- Cabinetmaker, restorer

View Sodabowski's profile


2388 posts in 3440 days

#7 posted 07-06-2017 07:58 PM

Well on the topic of xylindein I still have a few surprises under my sleeve!

-- Thomas - there are no problems, there are only solutions.

View mafe's profile


12314 posts in 3696 days

#8 posted 07-10-2017 09:28 AM

Congratulations on finishing the study.
Hope to see many more from you.
Best thoughts,

-- MAD F, the fanatical rhykenologist and vintage architect. Democraticwoodworking.

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