jamesp
Cave Dweller 
Member since October 2012
Posts: 36,600
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Post by jamesp on Dec 14, 2017 16:33:51 GMT -5
Took 5 days in vibe, slow going  Those little rectangles for ear rings ? Hobby glass from Ebay.  |
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Post by rmf on Dec 14, 2017 19:23:31 GMT -5
What was your recipe for the glass, Type tumbler, size of batch, cushioning, polish andy other additives?
I have had problems with glass. Agates/jaspers, TN puddingtone all ok. Glass is hard because it is soft.
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Post by fernwood on Dec 14, 2017 19:28:37 GMT -5
Beautiful. The rectangles would also make great pendant/earring combos.
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jamesp
Cave Dweller
Member since October 2012
Posts: 36,600
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Post by jamesp on Dec 15, 2017 6:53:40 GMT -5
What was your recipe for the glass, Type tumbler, size of batch, cushioning, polish andy other additives? I have had problems with glass. Agates/jaspers, TN puddingtone all ok. Glass is hard because it is soft. Easiest way is to buy a Lot-O. It will run glass. I modified my Vibrasonic vibe to run glass by numbing it. Glass is best run in a gentle vibratory tumbler. It is not so much the abrasive rmf, it is the machine that allows you to polish glass. Now a rotary may do glass well if you use lots of small media for padding. Glass is soft, but it also bruises easy. The bruising issue w/glass is the main problem. For example serpentine is softer than glass but it is not highly brittle like glass is. Hard to bruise serpentine. But it does not take a polish easily either. But for a different reason. |
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jamesp
Cave Dweller
Member since October 2012
Posts: 36,600
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Post by jamesp on Dec 15, 2017 7:14:10 GMT -5
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dakotabirder
noticing nice landscape pebbles
Member since July 2017
Posts: 77 
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Post by dakotabirder on Dec 15, 2017 8:48:09 GMT -5
What was your recipe for the glass, Type tumbler, size of batch, cushioning, polish andy other additives? I have had problems with glass. Agates/jaspers, TN puddingtone all ok. Glass is hard because it is soft. Easiest way is to buy a Lot-O. It will run glass. I modified my Vibrasonic vibe to run glass by numbing it. Glass is best run in a gentle vibratory tumbler. It is not so much the abrasive rmf, it is the machine that allows you to polish glass. Now a rotary may do glass well if you use lots of small media for padding. Glass is soft, but it also bruises easy. The bruising issue w/glass is the main problem. For example serpentine is softer than glass but it is not highly brittle like glass is. Hard to bruise serpentine. But it does not take a polish easily either. But for a different reason. I don't have a vibe, just a couple of Lortone rotaries, but wanted to try glass. I've had good luck with quartz in the rotaries, using a ton of small plastic beads for cushioning. I haven't had any issues with bruising...perhaps I'll try a batch of glass for the first time in the rotary and try the same thing. Cool looking pieces... |
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jamesp
Cave Dweller
Member since October 2012
Posts: 36,600
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Post by jamesp on Dec 15, 2017 9:31:09 GMT -5
Easiest way is to buy a Lot-O. It will run glass. I modified my Vibrasonic vibe to run glass by numbing it. Glass is best run in a gentle vibratory tumbler. It is not so much the abrasive rmf, it is the machine that allows you to polish glass. Now a rotary may do glass well if you use lots of small media for padding. Glass is soft, but it also bruises easy. The bruising issue w/glass is the main problem. For example serpentine is softer than glass but it is not highly brittle like glass is. Hard to bruise serpentine. But it does not take a polish easily either. But for a different reason. I don't have a vibe, just a couple of Lortone rotaries, but wanted to try glass. I've had good luck with quartz in the rotaries, using a ton of small plastic beads for cushioning. I haven't had any issues with bruising...perhaps I'll try a batch of glass for the first time in the rotary and try the same thing. Cool looking pieces... I remember that load you ran with the tennis ball quartz. I insisted on your rotary recipe. "Fill beads to level of rocks working them into the crevices by shaking" + "Use Rock Shed beads" - I remember !! That is exactly what I would do. But don't be surprised if you have to run them longer in 220 - 500 and 14,000. If you can get such a fine polish with that load you posted you should have success with glass. I would not put any glass in your barrel bigger than 1.25 inches though. No tennis balls ! Big will bruise glass ! So less crevices with smaller rocks. I suggest you use percentages, like 40% pellets, 60% rocks. The last load of glass and obsidian I ran was 2 days in AO 220 and 1 day in AO 14,000 in the vibe. super polish. This load I thought I did everything the same but it took 3 days in AO 220 and 2 days in AO 14,000 and was not as well polished. So I must say glass is a bit unpredictable. |
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Post by rmf on Dec 15, 2017 9:48:09 GMT -5
jamesp Thanks for the feedback and info.
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jamesp
Cave Dweller
Member since October 2012
Posts: 36,600
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Post by jamesp on Dec 15, 2017 9:52:24 GMT -5
jamesp Thanks for the feedback and info. No problem. Unfortunately glass is a difficult tumble. One of my favorites to finish successfully, but it is a hassle to tumble. |
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Post by amygdule on Dec 15, 2017 11:32:50 GMT -5
jamesp , where did you get this glass? I like the colors. Have you polished it yet? 
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jamesp
Cave Dweller
Member since October 2012
Posts: 36,600
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Post by jamesp on Dec 15, 2017 12:12:33 GMT -5
jamesp , where did you get this glass? I like the colors. Have you polished it yet? Gotta run now. I'll find out. It is tiny, like that is a 6 inch paper plate. Seems like it was relatively expensive. Probably Ebay under 'tumbled glass'. I'll get back. |
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Post by amygdule on Dec 15, 2017 13:43:34 GMT -5
jamesp , where did you get this glass? I like the colors. Have you polished it yet? Gotta run now. I'll find out. It is tiny, like that is a 6 inch paper plate. Seems like it was relatively expensive. Probably Ebay under 'tumbled glass'. I'll get back. Thank you. I'll take a look at Ebay.  |
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quartz
Cave Dweller
breakin' rocks in the hot sun
Member since February 2010
Posts: 3,359
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Post by quartz on Dec 15, 2017 15:10:46 GMT -5
I'm thinking the marble seller eats too many dill pickle and mustard sandwiches just before bedtime; crazy dreams.
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Post by amygdule on Dec 15, 2017 16:50:29 GMT -5
Somebody lost their marbles.
Does that come with Real Mayonnaise or Miracle Whip?
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jamesp
Cave Dweller
Member since October 2012
Posts: 36,600
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Post by jamesp on Dec 15, 2017 23:21:54 GMT -5
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Post by amygdule on Dec 16, 2017 13:44:13 GMT -5
Thanks jamesp . Those small chips of glass do look spendy for around $30 a pound. That batch of marbles was listed at $850 for 132 marbles. |
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jamesp
Cave Dweller
Member since October 2012
Posts: 36,600
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Post by jamesp on Dec 16, 2017 14:29:27 GMT -5
Thanks jamesp . Those small chips of glass do look spendy for around $30 a pound. That batch of marbles was listed at $850 for 132 marbles. Check the marble capitol of the world out. www.mcgillswarehouse.com/marbles |
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Deleted
Deleted Member
Member since January 1970
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Post by Deleted on Dec 18, 2017 19:38:01 GMT -5
Somebody lost their marbles. Does that come with Real Mayonnaise or Miracle Whip? Can't have a whip trip without miracle whip! |
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jamesp
Cave Dweller
Member since October 2012
Posts: 36,600
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Post by jamesp on Dec 19, 2017 8:01:59 GMT -5
132 marbles for $850 !!
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Post by broseph82 on Dec 19, 2017 23:38:34 GMT -5
What was your recipe for the glass, Type tumbler, size of batch, cushioning, polish andy other additives? I have had problems with glass. Agates/jaspers, TN puddingtone all ok. Glass is hard because it is soft. Type in google: dry burnish obsidian and you will get an exact recipe for glass for a vibratory tumbler (lot-o) |
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