Mojo Posted October 20, 2021 Report Share Posted October 20, 2021 So mutch going on in this marble Its mint , no chips , just real fine on the outside Made more then one picture and made 2 collages , twisted it , turned it Sparkles , pearl color , blue ish , ovenbrick ? , the cat exploded , what happend 200% production error but ... its beautifull haha Link to comment Share on other sites More sharing options...
Mojo Posted October 20, 2021 Author Report Share Posted October 20, 2021 Pictures with flash Looks like an alien about to hatch 👾 Link to comment Share on other sites More sharing options...
Steph Posted October 20, 2021 Report Share Posted October 20, 2021 I'll go with annealing fractures. My guess would be that it was a temperature issue. Or maybe temperature combined with getting knocked around. I wouldn't guess mismatched COE's because surely the company would have gotten those basically right before they did the run. 2 Link to comment Share on other sites More sharing options...
Alan Posted October 20, 2021 Report Share Posted October 20, 2021 Internal stresses from oven brick and air interfacing with glass as they cool at different rates. With different coefficients of expansion - that stress can fracture glass. 1 Link to comment Share on other sites More sharing options...
akroorka Posted October 20, 2021 Report Share Posted October 20, 2021 I have read tales of marbles breaking, splitting, cracking and just plain becoming a mess after they were collected and displayed. Has anyone experienced this? Marble--On!!! Link to comment Share on other sites More sharing options...
Alan Posted October 20, 2021 Report Share Posted October 20, 2021 1 hour ago, akroorka said: I have read tales of marbles breaking, splitting, cracking and just plain becoming a mess after they were collected and displayed. Has anyone experienced this? Marble--On!!! If a marble is not fully annealed, or if glass compatibility was an issue - then stresses in the glass can remain. Those stresses may be minor - or a borderline problem. For the latter case - it may just need a physical shock or temperature shock to push those stresses to the point where a fracture occurs. I once had a newly-purchased 7/8" Akro Vaseline auger pop in half in my hand as I washed label adhesive off it with warm (not hot) water. I've heard of mailed marbles fracturing when shipped in winter. Link to comment Share on other sites More sharing options...
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