How to choose the windowsill stone, ask the Supreme guidance? Quartz stone, stone and artificial stone in the end where the difference, as well as the presence of stone poisoning?
If it is bay window, you also want to sit up and wait for the god of horse, then choose a good natural granite, hardness is relatively high. If it is a general sill, artificial stone on the line, more than the color, better match. As for the quartz stone, it should be artificial stone, quartz is the common name of silica, the common glass is quartz, but the purity is not high, more brittle.
The bay windows are usually made of marble. Although the natural radiation, but this area should not be a problem.
Not an expert, casually talk about, then initiate
Quartz stone, granite has radiation, that is, natural stone has radioactive (non-toxic)
Artificial stone is not really stone, almost no radiation
But for radioactive this problem, I can only say that, but the windowsill plate can not be in your safety considerations
