

Rutilated Quartz
Rutilated Quartz.
Most rutilated quart has a golden color to the needles, but occasionally you can find rutile colors of silver, black, and reddish-copper colors. This piece is pretty unique in that it has almost every variation of rutile colors. The composition of the rutile needles is Titanium Dioxide.
This image contains 20 focus stacked photos.
Second pic is the full slab.