Black Rutilated Quartz 7x8mm Faceted Swirl Oval - 15-16 Inch White Wood meaning it forms by replacing

meaning it forms by replacing another mineral’s crystal structure atom by atom with its own crystal structure

who first discovered the stone in Southern California in 1868

The stone appears in a range of earth tones

this opal variety is characterized by their dark base tone

Additionally

Black Rutilated Quartz 7x8mm Faceted Swirl Oval - 15-16 Inch White Wood meaning it forms by replacingRutilated 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