Gold Rutilated Quartz 5X7mm-8X10mm Rough Nugget - 15-16 inch - CLEARANCE 8-inch Strands they appear dark or black

they appear dark or black

Sizes of rough cut specimens will vary in size

Topaz occurs in a wide range of natural colors

including browns

It can be colorless

Gold Rutilated Quartz 5X7mm-8X10mm Rough Nugget - 15-16 inch - CLEARANCE 8-inch Strands they appear dark or blackRutilated Quartz is a silicon dioxide mineral with unique needle to 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 to 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,