Black Rutilated Quartz 4mm Micofaceted Round - 15-16 Inch "Dzi" Agate cachanance

cachanance

It is a particularly unusual gem because it exhibits a special optical property known as tenebrescence

Sometimes called the "Black Prince's Ruby" for its role in the English crown

It is a variety of the silicate Spodumene

Black Rutilated Quartz 4mm Micofaceted Round - 15-16 Inch "Dzi" Agate cachananceRutilated 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