lparker
fully equipped rock polisher
Still doing too much for being retired!
Member since March 2008
Posts: 1,202
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Post by lparker on Mar 20, 2015 10:23:23 GMT -5
I can't believe I lost the tutorial when I switched servers. Krystee, can you send another copy to me if you still have it?
Lee #1
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Post by Drummond Island Rocks on Mar 20, 2015 10:33:28 GMT -5
this was just posted in another thread yesterday and the link below does work. Chuck |
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lparker
fully equipped rock polisher
Still doing too much for being retired!
Member since March 2008
Posts: 1,202
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Post by lparker on Mar 20, 2015 15:10:04 GMT -5
The link at the top of this thread works now. Thanks!
Lee #1
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jlpaloy
off to a rocking start
Member since February 2019
Posts: 14
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Post by jlpaloy on Sept 12, 2019 15:52:28 GMT -5
Hey everyone! I realize this post is far after the original thread, but I have a question about this method. I've attempted to do this in the Lot-O, and each time I am finding that the build up of sludge around the pieces of obsidian is happening quite often, and soon in the process. For example, even with some extra squirts of water, the pieces have a heavy buildup after 1 day in the 220 stage. Same goes for the pre-polish grit stage. Should I rinse and restart at that point, attempting to go for the full duration (2 days, 4 days, 1-3 days), or just move them on once they get that heavily caked?
Thanks, JP.
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Post by Drummond Island Rocks on Sept 12, 2019 19:25:26 GMT -5
Hey everyone! I realize this post is far after the original thread, but I have a question about this method. I've attempted to do this in the Lot-O, and each time I am finding that the build up of sludge around the pieces of obsidian is happening quite often, and soon in the process. For example, even with some extra squirts of water, the pieces have a heavy buildup after 1 day in the 220 stage. Same goes for the pre-polish grit stage. Should I rinse and restart at that point, attempting to go for the full duration (2 days, 4 days, 1-3 days), or just move them on once they get that heavily caked? Thanks, JP. Good questions. Build up in 220 will happen due to obsidian being soft. I try to make sure I start that stage early in the morning on a day that I will be home. I check and squirt water as needed every 3-4 hours. By the time bed time rolls around the 220 is breaking down and a finally squirt with water usually gets me through the night. The remaining stages do not really remove much rock so the build up should not be nearly as bad. Rinsing out and starting over in any of the stages will be counter productive. The extended runs are meant to break down each grit stage finer and finer. If you wash out and add new 220 then you now have deeper scratches again. Chuck |
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jlpaloy
off to a rocking start
Member since February 2019
Posts: 14
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Post by jlpaloy on Sept 13, 2019 13:23:25 GMT -5
Thanks Chuck. I suspected as much, but was just curious. I've tumbled with rotary tumblers for several years now, but just a few months ago bought the Lot-O. The batch of agate I did with it (starting in a rotary to shape, then moving to vibe) came out great, and I didn't quite have this issue. When I tried it with obsidian the first time, my pieces came out rather cloudy and unpolished. I decided to try again, this time really being careful to use half ceramic and half obsidian. Still, I noticed that the issue of grit buildup around each piece was happening often, in both grit stages. Maybe it's just me needing to learn how much water to use and how often. I have done obsidian before in a rotary, using lots of corn syrup, and have had some great results. Just thought the vibe could look even better and be a bit quicker as well.
BTW: Big thanks to Krystee for the remarkably complete and detailed instructions, and to everyone who regularly posts and comments here.
John
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hh5
starting to spend too much on rocks
Member since January 2012
Posts: 136
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Post by hh5 on Sept 16, 2019 18:47:40 GMT -5
Glad this thread got bumped up.
Great tutorial Krystee and thanks for sharing.
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torowy
off to a rocking start
Member since May 2020
Posts: 2
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Post by torowy on May 26, 2020 16:16:51 GMT -5
The links don't appear to be working, can this be reposted?
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Post by amygdule on May 26, 2020 17:05:57 GMT -5
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torowy
off to a rocking start
Member since May 2020
Posts: 2
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Post by torowy on May 26, 2020 22:00:35 GMT -5
Thanks!
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finkenov
off to a rocking start
Member since September 2020
Posts: 6
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Post by finkenov on Sept 30, 2020 16:21:28 GMT -5
Thank you for these instructions!
-David
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Fossilman
Cave Dweller 
Member since January 2009
Posts: 20,722 
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Post by Fossilman on Oct 1, 2020 9:46:06 GMT -5
Mu buddy started using this recipe a few months ago, he swears by it...
I printed this recipe and put it into my file books in the shop...
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ncboxorox
having dreams about rocks
Member since March 2021
Posts: 62
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Post by ncboxorox on Jun 12, 2021 7:09:36 GMT -5
Thank you! This is awesome! I have so much obsidian that I inherited, this will be a great help! |
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lapidarycentral
starting to spend too much on rocks
(Brian Rhode) LapidaryCentral.com - Fueling your Lapidary Addiction.
Member since August 2021
Posts: 218
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Post by lapidarycentral on Oct 27, 2022 12:57:43 GMT -5
Hey Folks, Any input here would be appreciated. I've been following this guide closely, and some batches turn out great, and some batches turn out like the photo before. This is after 4 days in 500 AO polish. It does not have a mirror polish and instead looks frosty or glazed over. Some batches doing the exact same thing come out looking nice and mirror polished at this point, so I'm stumped why this still happens sometimes. The photo below is with the stone clean and dry. Any help would be greatly appreciated. Not many things more of a bummer than having to step back multiple times and not knowing why.  |
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dirtsifter
Cave Dweller
Co to za kamyczek?
Member since September 2022
Posts: 402
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Post by dirtsifter on Jan 9, 2023 2:54:57 GMT -5
Bump. Great tutorial. Looking forward to trying some obsidian.
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