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how do i clean this

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pgrawet off to a rocking start Member since October 2012 Posts: 20	how do i clean this Oct 31, 2012 11:46:57 GMT -5 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by pgrawet on Oct 31, 2012 11:46:57 GMT -5 Found this in a local creek, not sure what it is or how to clean it. Kind of looks like a leaf or fish fin.? Attachments:
	Rocks are like presents,sometimes you get something really kool and sometimes you get a sweater from grandma!

gr driving up their electric bill Man it was cold on the Rim that day Member since September 2010 Posts: 2,979	how do i clean this Oct 31, 2012 11:50:43 GMT -5 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by gr on Oct 31, 2012 11:50:43 GMT -5 What is it that you want to clean up, (off)?
	It's all in a days rock

jakesrocks
In Memoriam

RIP Don Woodward AKA jakesrocks

Member since April 2010
Posts: 12,696

how do i clean this Oct 31, 2012 11:55:22 GMT -5

Quote

Post by jakesrocks on Oct 31, 2012 11:55:22 GMT -5

It's petrified coral. See if you can scratch it with a pocket knife. If it won't scratch, it can be cleaned with swimming pool acid. If it will scratch, try soaking it for a day or two in bleach and water. Then scrub with a soft brush. Another option would be soaking it in Super Iron Out. If you use acid or Iron Out, soak it for at least 36 hours afterwards to remove the chemicals.

Don --- USN Retired

pgrawet off to a rocking start Member since October 2012 Posts: 20	how do i clean this Oct 31, 2012 12:57:26 GMT -5 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by pgrawet on Oct 31, 2012 12:57:26 GMT -5 Yes it does scratch. Just wanna clean it up so u can see it better. There is a piece on the back of the rock that may be a sponge, but there it is barely visible due to the material its in. Thanks guys.
	Rocks are like presents,sometimes you get something really kool and sometimes you get a sweater from grandma!

jakesrocks
In Memoriam

RIP Don Woodward AKA jakesrocks

Member since April 2010
Posts: 12,696

how do i clean this Oct 31, 2012 13:44:06 GMT -5

Quote

Post by jakesrocks on Oct 31, 2012 13:44:06 GMT -5

If you can scratch it, Don't use acid. Use bleach water mix. Mix heavy on the bleach. Hot water, and let it soak for at least 24 hours. Wash it off with dish detergent and a soft brush. To get it really clean, you may have to repeat the process a couple times.

Don --- USN Retired

Fossilman Cave Dweller Member since January 2009 Posts: 20,718	how do i clean this Oct 31, 2012 19:03:11 GMT -5 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by Fossilman on Oct 31, 2012 19:03:11 GMT -5 Thats why I save all my old tooth brushes..........................
	God,family and life.....

jamesp Cave Dweller Member since October 2012 Posts: 36,602	how do i clean this Nov 3, 2012 14:56:17 GMT -5 Quote Select Post Deselect Post Link to Post Member Give Gift Back to Top Post by jamesp on Nov 3, 2012 14:56:17 GMT -5 My favorite is a mild acid called oxalic acid.It comes in powder form.Old timer in lapidary feild told me about it.

jakesrocks
In Memoriam

RIP Don Woodward AKA jakesrocks

Member since April 2010
Posts: 12,696

how do i clean this Nov 3, 2012 15:19:43 GMT -5

Quote

Post by jakesrocks on Nov 3, 2012 15:19:43 GMT -5

Oxalic acid will destroy many softer materials, and some hard ones too.
Oxalic acid can be mild. Depends on how you mix it. Right now I have some Fairburn agates sitting in a bucket of oxalic. Mixed 2 cups of oxalic acid crystals to 1 gallon of water. You wouldn't want to put your bare hands in it.

Don --- USN Retired

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how do i clean this

Post by pgrawet on Oct 31, 2012 11:46:57 GMT -5

Post by gr on Oct 31, 2012 11:50:43 GMT -5

Post by jakesrocks on Oct 31, 2012 11:55:22 GMT -5

Post by pgrawet on Oct 31, 2012 12:57:26 GMT -5

Post by jakesrocks on Oct 31, 2012 13:44:06 GMT -5

Post by Fossilman on Oct 31, 2012 19:03:11 GMT -5

Post by jamesp on Nov 3, 2012 14:56:17 GMT -5

Post by jakesrocks on Nov 3, 2012 15:19:43 GMT -5

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