Does anyone know this rock?

[Warby]

What's this rock I found?
It's almost silver
View attachment 234183View attachment 234184

Looks a bit like silicon metal rock

 

[WickedFog]

What's this rock I found?
It's almost silver
View attachment 234183View attachment 234184

Is it really light? I have found them before. Pretty rare, and may be worth a few bucks to a rock hound.

 

[Warby]

We have this rock everywhere at work in the mine. It's hematite, iron oxide.

Looks like this when clean, raw.