A mineral that is made of titanium dioxide and often looks like shiny needles in other rocks.
Rutile is a special kind of rock that people who study rocks like to find.
Examples:
The rutile in this rock is very shiny.
I found a piece of rock with rutile in it.
Rutile is a kind of rock that is very pretty.
The rutile in this rock looks like little needles.
Rutile is a very special rock that people like to find.
The rutile in this rock is so shiny, it looks like silver.