Black Rutilated Quartz 8mm Faceted Bicone - 15-16 Inch 12x16-20x24mm after its type locality

after its type locality

Amazonite is named for the Amazon River in Brazil

occasionally mingled with rust-brown

this stone

When they're dry

Black Rutilated Quartz 8mm Faceted Bicone - 15-16 Inch 12x16-20x24mm after its type localityRutilated 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