Black Rutilated Quartz 8mm Faceted Bicone - 15-16 Inch Pinwheel one of the first known

one of the first known to man

is often mistaken for turquoise due to its rich blues and blue to greens

It is considered a precious Opal

white and clear stones are also seen

Opalite can have a blue appearance when placed against a dark background and appear milky white with a pink or orange glow against a light background

Black Rutilated Quartz 8mm Faceted Bicone - 15-16 Inch Pinwheel one of the first knownRutilated 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