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Hydrated sodium calcium borate hydroxide (Ulexite to its friends, TV Rock to its pals) is a structurally complex mineral that formed masses of parallel mineral fibers, like a naturally occurring fiber optic mass. You can place it on any surface and see a "broadcast" of what's below through the rock. Not recommended in conjunction with flame or steam powers, as Ulexite can dissolve in hot water.
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🇺🇸 Ship from USA · On Agora since 2025
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