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Offline elkslayer4x5

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A question of density
« on: December 01, 2012, 05:39:21 AM »
Lately I've been working with Oregon Golden Myrlte and was wondering if there is a density rating scale ?  Say white Pine was  #1, the softest and black walnut #10, the hardest, where would the myrtle fall? Another question I have is about the color changing effect seen in some highly figured woods, as the piece is moved in the light, the color ripples, looks holographic, what is that called? The piece in the photo below really shows this effect when moved, the darker strips seem to change to lighter color when moved. This is a piece of Sequioa Semervirens, California Redwood Burl. Part of a stock set I made for my H & R Ultra .25-06.
 
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Offline elkslayer4x5

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Re: A question of density
« Reply #1 on: December 03, 2012, 04:53:05 AM »
LOL, I knew theat the Mtrtle was hard, but did'nt think the question was all that hard.  :)   Not evan a guess? And surely that holographic effect has a term, or a name.  Anybody got anything?   :D
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Offline blind ear

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Re: A question of density
« Reply #2 on: December 03, 2012, 05:40:02 AM »
Looks great. I wish I knew. ear
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Offline elkslayer4x5

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Re: A question of density
« Reply #3 on: December 06, 2012, 06:03:36 AM »
"Luster" seems to be the closest term I can think of to describe the effect I'm takling about. Anyone have any idea about the relitive density of Oregon Myrtle? In some of the combined wood species stock sets, there is a pronounced change in the sound of the drill bit when drilling the bolt hole in a Handi stock going from one wood to the Myrtle. Way harder to drill the Myrtle than it is to drill the Redwood burl.  :o
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Offline KYBOY

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Re: A question of density
« Reply #4 on: June 04, 2013, 04:46:28 PM »
The holographic effect is called "Chatoyance" like you see in curly maple..
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Offline Drilling Man

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Re: A question of density
« Reply #5 on: February 13, 2014, 12:14:17 PM »
  It took about 30 seconds at bing.com to find this,
 
http://www.engineeringtoolbox.com/wood-density-d_40.html
 
  DM
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