Shine a Green Laser at This Red Stone and It Shoots a Red Beam Back—While Lookalike Garnet Stays Dead Black: The 694.3nm Ruby Test, "Lava" Yooperlite & 8 Glowing Crystals
“Shine a $5 green laser pointer (532nm) into a real Ruby or Red Spinel and it shoots a blazing 694.3nm red beam back—while lookalike Red Garnet stays dead black!”
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Shine a $5 green laser pointer (532nm) into a real Ruby or Red Spinel and it shoots a blazing 694.3nm red beam back—while lookalike Red Garnet stays dead black! Test Iron-Quenching, molten-lava Yooperlite, daylight-glowing Hyalite Opal & 2026 IMA discoveries in 60FPS.
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