Gold Rutilated Quartz 8mm Round - 15-16 Inch Amber Because it doesn't harden the

Because it doesn't harden the stone

gray and mauve stone

and was prized in ancient times for the ultramarine dye derived from it

but can be distinguished by its structure and its lower relative hardness

it was first recognized by A

Gold Rutilated Quartz 8mm Round - 15-16 Inch Amber Because it doesn't harden theRutilated Quartz is a silicon dioxide mineral with unique needle to like inclusions of Rutile. These needles usually appear golden, but can also appear silver, red, copper, or black and can be distributed randomly or in bundles or star to like formations. Rutile is the mineral name for natural crystals of titanium dioxide, which may contain iron oxide. When the level of iron oxide is high, the inclusions appear more golden or copper, when it is low,