pizzano
Cave Dweller
Member since February 2018
Posts: 1,390
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Post by pizzano on Jan 29, 2019 3:09:56 GMT -5
Had this material laying around since our last trip to Opal Mountain in October of 2017 (posted a thread about the trip).........It had been through various cycles of rotary tumble. Stopped playing with it due to lack of experience and lack of quality.
Since that time I've gained some knowledge and experience dealing with Basalt/Andesite based stones....and confidence with my vibe tumblers. The photo's reflect results from vibe cycles 500AO thru Cerium Oxide polish finishes.........anyone who has dealt with Basalt/Andesite impregnated Opal will appreciate the effort it took to get tumbled results worth talking about....!
Threw in a pic of the Ryolite stones just because it took to a little shine and was used as a filler. It was among the Opal Mountain collection....was completely surprised it even buffed up.....lol
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Fossilman
Cave Dweller
Member since January 2009
Posts: 20,681
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Post by Fossilman on Feb 12, 2019 10:45:55 GMT -5
Nice tumbles and yes it does take patience...
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Post by TheRock on Feb 13, 2019 19:12:26 GMT -5
Right On! Lookin Good,
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NevadaBill
fully equipped rock polisher
Member since January 2019
Posts: 1,332
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Post by NevadaBill on Feb 16, 2019 1:01:31 GMT -5
I like the banded, cream colored stuff, if that is the Ryolite. They have nice character.
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pizzano
Cave Dweller
Member since February 2018
Posts: 1,390
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Post by pizzano on Feb 16, 2019 3:16:51 GMT -5
I like the banded, cream colored stuff, if that is the Ryolite. They have nice character. The Rhyolite stones are the pic second to last.
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Post by arghvark on Feb 16, 2019 12:31:54 GMT -5
Cool stuff. That banded rhyolite is the most common gravel and landscape rock around here. (My yard is full of it.) I've run a couple batches through just for fun. Polishes up pretty nicely.
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NevadaBill
fully equipped rock polisher
Member since January 2019
Posts: 1,332
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Post by NevadaBill on Feb 17, 2019 10:49:20 GMT -5
Thanks Pizzano, I was also thinking the same, that the Rhyolite was in the 2nd to last picture. We have some varieties of flow banded Rhyolite in Nevada, but not too much close to where I live. www.nbmg.unr.edu/generalgeology/RockGarden.htmlFrom my understanding, it does not polish up well, but makes some attractive garden decoration though. That is interesting that in some parts of the country, the stuff is so common that it makes up most of the garden landscaping rock available. I never thought about it that way.
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