Mark K
Cave Dweller 
Member since April 2012
Posts: 2,816 
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Post by Mark K on Dec 1, 2013 0:17:08 GMT -5
A friend of mine sprayed bleach on the limestone foundation in the root cellar to kill some mold. Now there is a fine, hairlike formation growing on the limestone. When you touch it, it turns to dust.
Anyone know what it is?
No pics.
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herchenx
Cave Dweller
Member since January 2012
Posts: 3,360
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Post by herchenx on Dec 1, 2013 2:21:12 GMT -5
If it is limestone the crystals may well be calcite
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Post by jakesrocks on Dec 1, 2013 12:19:19 GMT -5
Another good possibility is Aragonite crystals. They form in limestone caves as sprays of fine needles.
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Deleted
Deleted Member
Member since January 1970
Posts: 0
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Post by Deleted on Dec 1, 2013 14:46:14 GMT -5
I will take a slightly different approach.
Sodium hypochlorite solution (bleach) is slightly acid and is a strong oxidizer. I am going to go out on a limb here and suggest that the crystals could also be calcium chloride. Calcium chloride will not last long as a crystal though. It soaks up water better than any sponge. So strongly it attracts water from the air it will turn to a syrup in a day or three.
So, if the crystals last a long time, I am wrong.
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Mark K
Cave Dweller
Member since April 2012
Posts: 2,816
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Post by Mark K on Dec 1, 2013 18:41:18 GMT -5
I was thinking Aragonite also. I could not find any pics on the net, so I figured that I would ask you all. I think I was right.
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