Post by deb193redux on Jan 11, 2010 15:04:00 GMT -5
First, is this a type of shellyou have seen polished? Some shells will be more mostly calcium or calcium carbonate and will not polish. I have see the ones that look pearly or opalescent and I guess this will polsh - but be careful this is not a thin layer that you grind off.
Second, what did you batch look like. A small number of walnut-sized sea shells will not contact each other enough to get much abrasive action. Were there many small bits of shell or filler int he batch? A picture of the batch would be real helpful.
the shells are quhag shells, they are the hardest shells, i make wampum with them, they smoothed up real nice, used plastic pellets in the polish tumble for 8 days. last batch i did came out fine, could have been a little shinyer. did not burnish because they were really dull.
Most of the shells I do are like the one on my avatar. I just spray them with gloss paint as they do not polish. We do have a local tourist trap called the 'Shell Factory' here in Ft. Myers. The last time I went on the factory tour 20 some years ago they were using felt buffing pads and I believe tripoli polish for the big shells. You may want to try a felt buff in a dremel tool w/tripoli and see what happens.
God of Multiple Parallel Universes Full of Rocks and Apprentice to THE ONE.
hi johnjsgems, thanks for the comeback, will try to find it, the shells shape up real quick, i go 7 days, then fine grit for 7 days, prepolish 7 more days, i used aluminum oxide polish, 7 days maybe i eed more time on the polish
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