There was ancient who says that, you will face a seven years if bad luck if you break the mirror and your fate will fit for that. It will clear in between and you defend it through the ill-effects. Yeah, there are lots of ways to defend or prevent the bad effects or karma even you break the mirror or did any bad things. In order to do this you have to make your hands dirty and clean too.
You can answer us the reason of silver line in the mirror and it is not at all similar to the silver which you can see in the cloud.
The broken mirror superstition’ can be traced back to the Romans…
..who were the first to invent glass mirrors.