Open the Box in Sunlight and This Ruby-Red Crystal Crumbles Into Yellow Dust: 8 "Vampire" Light-Sensitive Minerals & The Usambara Thickness Color Flip
“Why does a gemmy ruby-red Realgar crystal swell by +9.6% and crumble into yellow Pararealgar dust when exposed to ordinary room light?”
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Why does a gemmy ruby-red Realgar crystal swell by +9.6% and crumble into yellow Pararealgar dust when exposed to ordinary room light? Why does clear Vivianite turn black in air, and how does Usambara Tourmaline flip from emerald green at 2mm to blood red at 9mm? Test 8 crystals in 60FPS.
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