Sketch Posted September 30, 2021 Share Posted September 30, 2021 Quote Link to comment Share on other sites More sharing options...
4meter Posted October 1, 2021 Share Posted October 1, 2021 It is an Agate, but I see no evidence of fossil coral in the sample. It looks like it would be beautiful when sliced and polished. First give it a few days to a week soaking in a solution of Iron Out and water to remove the iron staining on the outside. Afterward, if there is any green stains or obvious lichens or other bios on the sample, soak it in a closed container with straight ammonia, outside, for a week to remove the bios. Always follow the manufactured directions, and use PPEs in a well ventilated area. Do not use cheap ammonia from the dollar store. 1 Quote Link to comment Share on other sites More sharing options...
Sketch Posted October 2, 2021 Author Share Posted October 2, 2021 12 hours ago, 4meter said: It is an Agate, but I see no evidence of fossil coral in the sample. It looks like it would be beautiful when sliced and polished. First give it a few days to a week soaking in a solution of Iron Out and water to remove the iron staining on the outside. Afterward, if there is any green stains or obvious lichens or other bios on the sample, soak it in a closed container with straight ammonia, outside, for a week to remove the bios. Always follow the manufactured directions, and use PPEs in a well ventilated area. Do not use cheap ammonia from the dollar store. Ok,thankyou for your suggestion. Quote Link to comment Share on other sites More sharing options...
Sketch Posted October 2, 2021 Author Share Posted October 2, 2021 12 hours ago, 4meter said: It is an Agate, but I see no evidence of fossil coral in the sample. It looks like it would be beautiful when sliced and polished. First give it a few days to a week soaking in a solution of Iron Out and water to remove the iron staining on the outside. Afterward, if there is any green stains or obvious lichens or other bios on the sample, soak it in a closed container with straight ammonia, outside, for a week to remove the bios. Always follow the manufactured directions, and use PPEs in a well ventilated area. Do not use cheap ammonia from the dollar store. Don't know why but when I found it looked very creepy to me. 1 Quote Link to comment Share on other sites More sharing options...
GotAU? Posted October 2, 2021 Share Posted October 2, 2021 Tumble or cut and cab it, it looks like a nice specimen for a pendant. Quote Link to comment Share on other sites More sharing options...
Sketch Posted October 2, 2021 Author Share Posted October 2, 2021 First it looked disgusting to me but after some cleaning it is little ok. I think this happened because of iron stains..l Quote Link to comment Share on other sites More sharing options...
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