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Post by victor1941 on Dec 12, 2015 15:07:11 GMT -5
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Post by rockpickerforever on Dec 13, 2015 9:13:42 GMT -5
Wow, great job! Love the colors of the Brenda jaspers.
Looks like those went to a good home.
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jamesp
Cave Dweller
Member since October 2012
Posts: 36,559
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Post by jamesp on Dec 13, 2015 9:36:33 GMT -5
Looks like a pirate's treasure.
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Post by nowyo on Dec 14, 2015 9:22:10 GMT -5
Now that is a mess of cabs. Good looking Brenda stuff, too. Nice job.
Russ
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Fossilman
Cave Dweller
Member since January 2009
Posts: 20,709
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Post by Fossilman on Dec 16, 2015 10:12:54 GMT -5
WOW,look at the shine!!!! NICE!
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Tom
fully equipped rock polisher
My dad Tom suddenly passed away yesterday, Just wanted his "rock" family to know.
Member since January 2013
Posts: 1,557
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Post by Tom on Dec 16, 2015 13:23:05 GMT -5
Holy crap! That's a ton of nice cabs. I have never had the pleasure of working with Brenda, so a question. Not being critical here, just observant, I notice on a few cabs that they seem to "indent" or go out of shape. I am assuming this was not on purpose but happened during the vibe operation? If so is this material kind of soft around the edges or am I just out to lunch.
I know from experience that cabs I have done in the vibe will do that if they have some softer parts. Yet it looks like your girdle lines are pretty crisp. I find that I only want to keep cabs in the vibe for as short a time as possible to prevent my girdles from rounding out to much but still get a killer shine. A lot of times I need to redo the girdle line on them. Yours look good.
So again I ask, is this material kind of hard and soft in spots?
Anyone wishing to send me Brenda plume please do so LOL, just kidding.
Again, nice cabs, favorite is second image from bottom, top row dead center, scalene triangle shape.
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Post by victor1941 on Dec 18, 2015 21:10:40 GMT -5
Tom, the Brenda plume has different degrees of hardness in some material and undercuts as seen in the irregular shapes. I wanted to see how this material would work as a batch in a UV-18 knowing that some material would not retain shape or dome. There were 10 cabs where I reshaped the edges and then placed these into the prepolish(Al/O) stage in the next cycle and got a good edge. I included all material in the group photo"s and chose the ones that I liked for the individual or small group pictures. My preference for shapes would be triangles, sails, teardrop and random.
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Post by Noosh9057 on Dec 18, 2015 21:12:24 GMT -5
Wow looks great.
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Post by victor1941 on Dec 18, 2015 22:19:10 GMT -5
Tom, the Brenda plume has different degrees of hardness in some material and undercuts as seen in the irregular shapes. I wanted to see how this material would work as a batch in a UV-18 knowing that some material would not retain shape or dome. There were 10 cabs where I reshaped the edges and then placed these into the prepolish(Al/O) stage in the next cycle and got a good edge. I included all material in the group photo"s and chose the ones that I liked for the individual or small group pictures. My preference for shapes would be triangles, sails, teardrop and random.
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Post by iant on Dec 19, 2015 3:47:53 GMT -5
Great stuff!!!
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Post by Noosh9057 on Dec 19, 2015 7:36:37 GMT -5
All looks great.
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Tom
fully equipped rock polisher
My dad Tom suddenly passed away yesterday, Just wanted his "rock" family to know.
Member since January 2013
Posts: 1,557
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Post by Tom on Dec 19, 2015 10:45:25 GMT -5
Victor, that's pretty much exactly what I do when I vibe polish cabs too. Some material is going to undercut and that is life. I then regrind the edges and put into pre polish then polish as well. Seems to work out nice and keeps a crisp girdle line as well. Some cabs really should be polished front and back, like Montana agate and the likes. They just look so dang nice and a lot of people like to mount these stones in open backed settings.
A beautiful batch of cabs you have, and wow you must have a ton of ceramic to fill up that UV18!
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Post by victor1941 on Dec 19, 2015 21:14:20 GMT -5
Tom, thanks for your comments and close observations. I do mostly cabs and use a 50% mix of ceramic media from the Rock Shed in each UV-18 tumble. I shape on a 60 or 80 flat lap and then use Biker Randy"s polishing cycle and the Thumbler quantities based on a full load. I find this method removes saw marks from the back and does a great job on the top whether flat or domed. Most of my material is hard so I don"t have pitting or undercutting except on the plumes and mosses. If you look closely several of the individual pictures show the erosion of the moss area. Finally, I keep plenty of material on hand so no tumble is shorted on media or abrasive/polish.
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Tom
fully equipped rock polisher
My dad Tom suddenly passed away yesterday, Just wanted his "rock" family to know.
Member since January 2013
Posts: 1,557
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Post by Tom on Dec 19, 2015 21:23:15 GMT -5
I will take mine to 220 on the wheels then into 220 grit in the UV10, but just long enough to fix the backs but hopefully not screw up my girdle line. Then just more or less follow Randy's method too. I know what you mean about the moss kind of disinagrating at the edges
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