How to repair the leakage of stone floor? It's leaking into the basement

Glass glue is not waterproof, so you used the wrong product.

Regular practice, please ask the stone maintenance company to repair the broken stone. You should know that the stone is most afraid of water. If the stone seeps for a long time, it will form water spots, that is, the stone will not be cured.

If the water seepage of your stone is not serious, please ask the stone care company to do stone care, fill all the gaps in the stone with marble glue, brush the waterproof protective agent after rough grinding, then finely grind it to restore brightness, and then do crystallization care to form mirror protection.

Of course, according to the situation you described, there may be cracks in the cement floor. It is best to check from below and ask how to deal with the property.