Black Rutilated Quartz 6mm Large Hole Round - 8 Inch R1559 is a deep blue metamorphic

is a deep blue metamorphic rock used as a semi-precious stone that has been prized since antiquity for its intense color

Approximate Hole Diameter: 2mm

a variety of Feldspar

It is highly prized for its beautiful combinations of colors and for its opalescence — the pearly luster of the opaque stone

including Moonstone

Black Rutilated Quartz 6mm Large Hole Round - 8 Inch R1559 is a deep blue metamorphicRutilated 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