Rutilated Quartz 2mm Table Cut Cube Banded - 15-16 Inch turquoise It sometimes features dark brown

It sometimes features dark brown to black dendritic inclusions that branch like tiny tree limbs through the stone

Sardonyx is sometimes treated to bring out its reddish tones

when it is low

in a variety of swirling and linear patterns

It's actually a pink variety of Beryl -- the family of gemstones that also includes Aquamarine

Rutilated Quartz 2mm Table Cut Cube Banded - 15-16 Inch turquoise It sometimes features dark brownRutilated Quartz is a silicon dioxide mineral with unique needle 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 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, they