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The Spectacular Color Changing Alexandrite
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I didn’t mention this in the video, but if you own a massive “Alexandrite” ring that you inherited from your grandmother... I have some bad news. It’s almost certainly a fake. Real natural Alexandrite is geologically tiny. Finding a clean stone over 1.00 carat is rare. Finding one over 3.00 carats is museum grade. But in the 1900s, especially in Mexico and Egypt, tourists bought giant, knuckle sized stones that shifted colour from purple to blue. They were sold as “Alexandrite”, but they were ac
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I didn’t mention this in the video, but if you own a massive “Alexandrite” ring that you inherited from your grandmother... I have some bad news. It’s almost certainly a fake. Real natural Alexandrite is geologically tiny. Finding a clean stone over 1.00 carat is rare. Finding one over 3.00 carats is museum grade. But in the 1900s, especially in Mexico and Egypt, tourists bought giant, knuckle sized stones that shifted colour from purple to blue. They were sold as “Alexandrite”, but they were ac
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[Hot Item] White Corundum Tabular Alumina for Refractories Application / White Tabular Alumina/Ta
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