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Post by deb193redux on Jun 1, 2010 21:13:49 GMT -5
I thought this posted the other day when I put up the other postings on cooking. I got a virus right when this one was supposed to post, and I guess it did not make it. I thought I would try this lace in sugar-acid because it does not have a lot of contrast and the pattern is overly dense. There were some translucent areas, so I thought it could be neat if those went black instead of gray. The brown one was baked at 450 deg-F, the black one was baked too, but then boiled in the sulfuric acid. Unfortunately, on lace the white part is most porous and went black - the opposite of what I wanted. (I suspect this would be the same for plume, so I won't even try.) These are sister slabs. The one with the red I held back bbecause of the red, but the next two got the brown and black treatment: I made a virtual cab from each sister to help see which treatment was best. I still don't like the NONE, but the BLACK is too dark. I think the color does not go very deep, so I may get BLACK/BROWN when I start grinding. Here are preforms cut from the BROWN: ... some from the BLACK (top right): ... and some still being cut from the BLACK:
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Post by beefjello on Jun 1, 2010 23:04:40 GMT -5
That's pretty interesting stuff Daniel!
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firewalker45
freely admits to licking rocks
Member since August 2006
Posts: 929
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Post by firewalker45 on Jun 2, 2010 9:19:08 GMT -5
Very nice Daniel, Fischer would be proud. Daniel
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Post by Tonyterner on Jun 3, 2010 13:12:19 GMT -5
The process certainly changes the color and mostly for the better. I really like the look of the brown and agree the black is a little too dark. It really shows up well on the virtual cabs.
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pebblepup
has rocks in the head
Succor Creek Thunder Egg
Member since July 2008
Posts: 515
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Post by pebblepup on Jun 3, 2010 15:12:47 GMT -5
I like the brown and am looking forward to seeing the finished cabs.
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riverbendlapidary
fully equipped rock polisher
Member since September 2006
Posts: 1,058
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Post by riverbendlapidary on Jun 7, 2010 17:08:04 GMT -5
You might try bleaching the black stuff. I seem to recall an old article about a guy bleaching palm that was almost solid black and it turned out pretty nice.
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Post by sandsman1 on Jun 7, 2010 20:08:45 GMT -5
dam that black one is really cool -- there both nice but that black takes the cake haha
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Post by Roller on Jun 7, 2010 21:58:20 GMT -5
I like the black one as well .... Its different than the norm ...kinda unique ...
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Post by deb193redux on Jun 7, 2010 22:19:48 GMT -5
I need to grind. The black goes to dark brown just below the surface. Stay tuned.
I have used bleach on some pet wood. I lightens a shade or tow. Not much dissolves carbon, and what does also dissolves silica. I bleached some really dark Biggs recently. It sat in bleach for two weeks and did not show much improvement. But, when I dried it, it did bleach a bit. I think the key to bleaching is to keep spraying it so the bleach reaction has always got air circulation. But, I don't think bleach is the answer here. Just grinding, and then maybe even putting back a light coat of black.
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hulagrub
spending too much on rocks
Member since October 2009
Posts: 256
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Post by hulagrub on Jun 9, 2010 9:09:07 GMT -5
I you bleach slabs of Eden Valley pet wood, and then do a cab, cool things happen!
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Post by deb193redux on Jun 9, 2010 10:23:26 GMT -5
I think I saw some Eden Valley bleached by Joe Cota (Rock Castle Lapidary) in Sweethome Oregon. The pattern improved a lot. Mostly Joe used bleach on local Willamett Valley pet wood because it tends to be so carbonized.
Does the cab get a lighter dome and darker edges?
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Post by krazydiamond on Jun 9, 2010 15:24:29 GMT -5
that is extremely interesting, i'm very curious how it cabs....
KD
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hulagrub
spending too much on rocks
Member since October 2009
Posts: 256
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Post by hulagrub on Jun 9, 2010 18:25:25 GMT -5
The black gets a grain and depending on how long you soak, and then grind, it leaves a wood pattern in the center surrounded by translucent black agate. I believe we have sold all the cabs we have made, otherwise I'd post a pic. Sounds like I need to slab some more up and get it in the bleach.
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