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Wood I’d please
- Thread starter Ted Pelfrey
- Start date
Not very familiar with rosewood. What little I’ve seen, could that be what it is? Is rosewood very heavy, dense ?
Jaramiah Severns
TOTW Team
There are several types of rosewood. Tough to say from one pic, but this looks like it could be of the Yucatán variety.
All of the members of the "rosewood" family will have a very strong aroma to them. Kind of sweet and spicy. Any exposure will weaken your natural resistance to them, so eventually you become allergic. In extreme cases, it can kill. Self defense for the tree against all the bugs that would love to eat it.
robo hippy
robo hippy
Try wood-database.com
where'd you get it? kind of looks like a piece of mesquite I have to make a platter out of.
It looks like rosewood but which species I have no idea.
I do know it’s the only rosewood is the only wood I’ve had allergic reaction too.
I do know it’s the only rosewood is the only wood I’ve had allergic reaction too.
There are many rosewoods. The properties vary widely. The appearance and color varies widely and the species cannot always be identified from the look at the side of a board. Many can guess, few will KNOW without more info.
Scrape a bit and take a sniff - many rosewoods have distinctive smells. That might not identify it for you but might help someone else with experience. Ask other woodturners for opinions. Many have experience with the look. I have dozens of rosewood species and might be able to compare it to one with a name on it. Be aware that many dealers have no clue and write a wood name based on a guess.
To narrow it down, first measure and weigh the piece and compare the density numbers on the Wood Database.
Using a single edge razor blade, shave off a small area of endgrain, enough to show at least two rings. Look at the endgrain through a magnifier - 10x is recommended but I prefer a low-power stereo microscope. Determine if the wood is ring porous, semi diffuse porous, or diffuse porous. Look for rays and note the width of the rays. Note the relative size of the earlywood pores compared to the latewood. Check the large earlywood pores - are they open (hollow like soda straws), filled with sparkly "tyloses", or something else. Those of Cocobolo and some other rosewoods are filled with what looks like a hard or waxy substance, sometimes colored orange.
Read this articles, paying special attention to section 7. Compare what you see in the end grain to the photos of candidate species in the Wood Database. Be aware that it is FAR easier to get a positive ID on domestic species than the many thousands of possible exotics.
If all else fails, look at the last section. You can send a small sample to the gov lab and they will make an ID for no charge.
If interested in learning more, I recommend the book "Identifying Wood" by R. Bruce Hoadley.
JKJ
Scrape a bit and take a sniff - many rosewoods have distinctive smells. That might not identify it for you but might help someone else with experience. Ask other woodturners for opinions. Many have experience with the look. I have dozens of rosewood species and might be able to compare it to one with a name on it. Be aware that many dealers have no clue and write a wood name based on a guess.
To narrow it down, first measure and weigh the piece and compare the density numbers on the Wood Database.
Using a single edge razor blade, shave off a small area of endgrain, enough to show at least two rings. Look at the endgrain through a magnifier - 10x is recommended but I prefer a low-power stereo microscope. Determine if the wood is ring porous, semi diffuse porous, or diffuse porous. Look for rays and note the width of the rays. Note the relative size of the earlywood pores compared to the latewood. Check the large earlywood pores - are they open (hollow like soda straws), filled with sparkly "tyloses", or something else. Those of Cocobolo and some other rosewoods are filled with what looks like a hard or waxy substance, sometimes colored orange.
Read this articles, paying special attention to section 7. Compare what you see in the end grain to the photos of candidate species in the Wood Database. Be aware that it is FAR easier to get a positive ID on domestic species than the many thousands of possible exotics.
If all else fails, look at the last section. You can send a small sample to the gov lab and they will make an ID for no charge.
If interested in learning more, I recommend the book "Identifying Wood" by R. Bruce Hoadley.
JKJ
From a distance it looks a lot like the Jatoba I was turning earlier this week. Also very heavy.
That’s the reason I’m trying to identify . The one time I tried to turn rosewood I had a slight reaction to it. I friend gave this to me to turn him some turkey calls.
A friend and he’s not sure either. I’m familiar with Mesquite. Positive it’s not Mesquite.
My first reaction was small and didn’t think the wood was the cause. My second reaction was worse and required a shot from the doctor. So be careful!
Ipe
Tim
Tim
@Ted Pelfrey
If concerned about a reaction from a wood there is a simple test that won't send you to the hospital even if you ARE sensitive to a particular wood.
Make a little sawdust from the wood.
Acquire a bandaid. (I know hard to find in most shops since everyone but me is always careful)
Put a tiny spot of the sawdust on the smooth and sensitive inside of the forearm and cover it with the bandaid.
If sensitive to that wood that tiny spot will start to feel itchy within a few hours and may develop a localized rash, mild if not left on a long time.
No rash, no problem. Wash and put a bit of anti-itch cream on the little spot if needed.
I think this method is better than risking a systemic skin and breathing reaction by working with the unknown wood!
I discovered this method when I got eastern red cedar dust trapped under a watch which caused an itchy rash. I no longer wear a watch when sanding ERC. Nothing else has affected me (so far, knock on bubinga) even the various rosewoods including the notorious Cocobolo.
The warnings we read about slowly becoming more sensitive to wood are real. I know two people who had to quite turning completely. One guy got to where he couldn't even walk into his shop without getting asthma, even after it had been emptied completely and professionally cleaned three times! He ended up selling that house, having a new house built, and took up metal turning/machining instead of working with wood. (That got me thinking about how useful that could be so I acquired a metal lathe and mill.) I bought his lathe and used it for years for teaching.
Hey, if you want, cut off a small piece with some end grain showing and get it to me and I'll do my best to ID it by smell, UV light, and end grain examination. Better yet, if you have any remaining doubts I'll trade you for an equivalent piece of something you know from experience won't affect you. I have lots of varieties, might have something you would like.
And you're close enough maybe we could visit. During one of the breaks in your insane 20 hr/day work schedule!
JKJ
Well, I have turned some Ipe. It does have a fairly strong scent, and a lot of people will react to it. It is very hard, and if you lay a board out in the sun, it glitters. If you rip a board with a zero clearance insert in your table saw, it will leave a pile or resin where the blade goes under the table. I haven't heard of anyone getting logs of Ipe.
robo hippy
robo hippy
See if @john lucas chimes in. I got a couple of large IPE blanks a few years back and I remember he turned something very nice from one. Didn't hear comments about reactions or difficulties.
Some things might depend on how dry the wood is.
Some things might depend on how dry the wood is.
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This may be it... Macacauba
Wow , looks like the same board. Is that very heavy and dense?
I am not quite sure as I have never worked with it, but according to the Wood Database it is approx. two times harder than Hard Maple! (2,700lbf vs 1,450lbf)
Easy to tell - weigh the piece, measure and calculate the volume. Look up average dry weight in the wood database and see if it's close.
Hard to tell by Janka hardness since few have the instrument for that. I've thought about trying to build one... just need the right size steel ball and a press with a meter - I wonder if my hydraulic press would have enough resolution.
I personally would like a magic wand to identify wood - wave and point at wood and say Lignum Revello or somesuch.
JKJ
Mmmm, I doubt it. We built our deck out of Ipe, none of it looked like that. Also, the Sawdust has a yellow cast and waxy.
You’re not saying it right. It’s Reviello, not Revello….. Do be careful with all those wands of yours. Casting a spell like that could turn a piece of ebony into licorice……
Ted, do you have access to a black light? When I was having fun with John, I recalled him talking about florescence of wood. It might be a way to identify it.
Until then, it’s Tree Wood.
Oh yea?...
Judging from what I've read, we may both be spelling things in other than universally agreed ways, if such exist. But of course with magic, who knows. Who and what is the authority? Regardless, I wouldn't say it aloud anyway - imagine what could go wrong. And always watch where you point those things!From one source:
"Virga Revelio was the incantation of a variation of the Revelio Charm, a spell which caused hidden things to appear. The spell was modified, possibly by Salazar Slytherin himself, to be able to reveal ..."
As for UV blacklights, I've bought many. Be cautious - some are junk. Even if advertised as 365nm, I got one that was closer to 400nm which leaned the spectrum so close to white light it was useless. I sent it back to Amazon.
I remember these were useful, but others may also work. Some seem no longer available in the same models but similar models may work fine.
LEDwholesalers Gallium Indium Nitride 365 Nm Uv LED Ultra Violet 9 LED 3 AAA Blacklight Flashlight, 7301uv365 - Black Light Flashlights - Amazon.com
LEDwholesalers Gallium Indium Nitride 365 Nm Uv LED Ultra Violet 9 LED 3 AAA Blacklight Flashlight, 7301uv365 - Black Light Flashlights - Amazon.com
www.amazon.com
Amazon.com: Nitecore CU6 High Power 3000mW 365nm Ultraviolet UV-A 440 Lumens White Dual Beam Professional Inspection LED Flashlight : Tools & Home Improvement
Buy Nitecore CU6 High Power 3000mW 365nm Ultraviolet UV-A 440 Lumens White Dual Beam Professional Inspection LED Flashlight: Handheld Flashlights - Amazon.com ✓ FREE DELIVERY possible on eligible purchases
www.amazon.com
I just saw this one, might get one to try:
amazon.com/uvBeast-UVB-68-1M/dp/B01CV1XW5K/138-0660299-2146524
UV lights are fun outside too - look a fungi, etc. In my woods at night I see dozens of these everywhere I look. The orange stripes fluoresce bright green.
And while in the woods one night I saw something brilliant red! Turned out to be a hidden guinea's nest. The eggs fluoresce bright red, the fresher, the brighter. Now when I find a nest I rob the freshest and leave the older as incentive for the hen to continue laying in that nest. In all my reading I've never found someone describing the brilliant red egg phenomenon. Did I discover something new!
BTW, the brown and green eggs (guinea, peacock, chicken, goose, etc.) fluoresce strongly, white eggs, not so much (or none).
There, more than any normal person would ever want to know.
And if anyone missed it, I think this is worth repeating:
JKJ
Hey John, I was thinking of the scene with Ron and Hermione when I wrote you weren’t saying it right. Potter on…….