jamesp
Cave Dweller
Member since October 2012
Posts: 36,612
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Post by jamesp on Mar 28, 2019 13:35:52 GMT -5
Took a few minutes to sift a bit from a giant pile of scrap blown glass. Photo is glass with water sprayed on it. First in a 3/4" screen to get the stuff small out, then in a 1 inch screen to remove the large stuff. Then 90 RPM in one dose of SiC 60 for 10 days. About 15 pounds total in 7 pound and 9 pound barrels running together. Add some sawn BC jade... Could have spread these little chunks out on 4 - 20 inch shelves in the kiln and melt blobbed them into mini-cabs but was looking for the 'rock' effect. Next step is SiC 500 in rotary for 10 days, then to vibe for 2 steps, pre-polish and polish. Lots of clear glass, should look good piled in a clear decanter/vase.
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tomg
starting to spend too much on rocks
Member since January 2019
Posts: 103
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Post by tomg on Mar 28, 2019 21:14:19 GMT -5
Fun! I'm going to have to try some glass.
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jamesp
Cave Dweller
Member since October 2012
Posts: 36,612
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Post by jamesp on Mar 29, 2019 6:25:08 GMT -5
Fun! I'm going to have to try some glass. Easy to tumble shape glass tomg, Really tricky to polish it though. Took me years and special vibe tumbler to do it.
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