Interesting Brazilian agate

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Drummond Island Rocks no longer being taken for granite Member since October 2011 Posts: 8,913	Interesting Brazilian agate Nov 8, 2019 18:16:20 GMT -5 Pat, fernwood, and 2 more like this Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by Drummond Island Rocks on Nov 8, 2019 18:16:20 GMT -5 This one had a surprise inside. A very smooth very bright white center. Need to do something cool with this one. Chuck
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HankRocks driving up their electric bill Member since July 2016 Posts: 2,663	Interesting Brazilian agate Nov 8, 2019 18:32:24 GMT -5 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by HankRocks on Nov 8, 2019 18:32:24 GMT -5 Chuck, your cuts look very smooth, assume you are clamping these? I struggle with clamping the roundish Brazillians. Do use shims? Thanks Henry
	There are more things in heaven and earth, Horatio, Than are dreamt of in your philosophy.

Drummond Island Rocks
no longer being taken for granite

Member since October 2011
Posts: 8,913

Interesting Brazilian agate Nov 8, 2019 19:34:54 GMT -5 Peruano likes this

Quote

Post by Drummond Island Rocks on Nov 8, 2019 19:34:54 GMT -5

Nov 8, 2019 18:32:24 GMT -5 HankRocks said:

Chuck, your cuts look very smooth, assume you are clamping these? I struggle with clamping the roundish Brazillians. Do use shims?

Thanks
Henry

Thanks-
I really like the vise on my 14" saw so if a rock is an awkward shape I use that saw even if the rock is small enough to go in my 12" or 10" saws. I use a wide variety of shim sizes. My other trick for really awkward stuff is to not worry about slab yield on the first cut. I will get the rock in the vise in the best situation to hold it then make one cut. After that first cut I take the rock out and glue both halves to 2x4's. Once they are attached the rest of the cuts are a piece of cake. That way I am only stressed about the rock holding for a single cut. I use a MK301 blade and love the finish it leaves even after being on that saw for three years now.

Chuck

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HankRocks
driving up their electric bill

Member since July 2016
Posts: 2,663

Interesting Brazilian agate Nov 8, 2019 20:09:55 GMT -5 Peruano likes this

Quote

Post by HankRocks on Nov 8, 2019 20:09:55 GMT -5

Nov 8, 2019 19:34:54 GMT -5 Drummond Island Rocks said:

Nov 8, 2019 18:32:24 GMT -5 HankRocks said:

Chuck, your cuts look very smooth, assume you are clamping these? I struggle with clamping the roundish Brazillians. Do use shims?

Thanks
Henry

Good idea!

Was actually thinking that I would start cutting them in half using my geode holder, then glue both halves to wood for further slicing. Have noticed that some of the "white-skin" Brazilians can have a hollow center with crystals, if one of those I would not do any slabs, just polish both halves.

Unfortunately the geode holder does not work for geodes smaller than about 3 inches in diameter.

Henry

There are more things in heaven and earth, Horatio,
Than are dreamt of in your philosophy.

RocksInNJ fully equipped rock polisher Member since September 2019 Posts: 1,895	Interesting Brazilian agate Nov 8, 2019 23:26:23 GMT -5 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by RocksInNJ on Nov 8, 2019 23:26:23 GMT -5 Sweet looking. Almost looks like a sliced coconut with silky smooth milk.
	Last Edit: Nov 8, 2019 23:27:20 GMT -5 by RocksInNJ Stay Hoopy my friends!!!

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Interesting Brazilian agate

Post by Drummond Island Rocks on Nov 8, 2019 18:16:20 GMT -5

Post by HankRocks on Nov 8, 2019 18:32:24 GMT -5

Post by Drummond Island Rocks on Nov 8, 2019 19:34:54 GMT -5

Post by HankRocks on Nov 8, 2019 20:09:55 GMT -5

Post by RocksInNJ on Nov 8, 2019 23:26:23 GMT -5

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