Green Sapphire Identification: How to Tell Corundum by RI & Birefringence

This Tiny Mirror Attachment Gives Your Phone Two Camera Angles at Once🤯

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THIS ILLUSION IS SO CREEPY!!😱 If you like puzzles, optical illusions and magic join my mailing list to hear about new live shows featuring all that good stuff. Link in my bio👆 #magictrick #magician #puzzle #fyp

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