Marcell Fóti 🪨 @FoMaHun · 19 Aug 2026

Yes, your guess was correct, the main ingredient was waterglass, the source of SiO2 that precipitated on the stones in a thick layer. That’s clear. But waterglass doesn’t “attack” a plunged stone like this. You can submerge a piece of stone into it, leave it there for days and

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