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dolomite stone

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I work in a church that has large areas of dolomite stone columns. The stone was quarried locally (niagara falls ny). It appears mostly as loaf sized stones, but in some cases there are layers protruding (like shale) that we often use to hold tiny candles. My question is this: Someone is boring holes approximately 3/4" in diameter in the blocks in order to hang pictures. This seems like a bad idea and could result in eventual fracturing (crumbling of the stone) from the inside to the the entire piece. Can anyone advise me as the appropriateness of drilling these holes?

Linda McGuire, grand island, ny

asked Jun 6, 2012 by merlotcatz (120 points)

1 Answer

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It really depends on the durability of the stone. If it withstands the pressure from the drilling and doesn't crack or crumble, presumably it will remain ok.

answered Jun 6, 2012 by hershel (49,750 points)

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