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Baby, I was born this way. Creased marble


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Well, if you look at it, its not a simple DI.  There was a whole lot going wrong there.  Its interesting that you post this because earlier this week I was on a call whose subject was (mostly): "What happens if the shears cut off more glass than the rollers are sized to handle?"  The well-informed result was something like what you have pictured.

Its going to tumble over on itself and get wonky in the rollers and be unable to round itself in any real way.  I suspect you have that, or the shear cut 2 ingots not of the same size (essentially skipped half a beat), or the single ingot picked up a small piece of hot scrap and they basically "fell down the stairs" through the rollers.

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I agree with the others leaning toward a double ingot marble.

Here is a chart that shows when two single-ingots join together to form a double-ingot marble:

MARBLES-SINGLEANDDOUBLEINGOTSIZES.png.85c78de9910066239e30084916618f76.png

Basically, a 9/16" marble when doubled will be about 0.709-inches diameter.

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If you watch any of the Stephen Bahr videos that show marbles being made, you can see that double-ingots are quite common.

Just watch the guy with the tongs pluck out those oversized balls.

Back in the day, an operator had to operate multiple machines.

They didn't have time to sort, because they were busy shoveling and adjusting.

Those double ingots were culled out later during sorting and packaging.

Double ingots were disposed.  That is why you see many from digs.

**

Fun marble you have.

Might be a foundational piece for collection of "marble oddities". 

Sincerely,

John

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