Gold Rutilated Quartz 5X7mm-8X10mm Rough Nugget - 15-16 inch - CLEARANCE China Biotite is a name used

Biotite is a name used for a large group of black mica minerals that are commonly found in igneous and metamorphic rocks

Opalite is known by several other names

Amazonite is named for the Amazon River in Brazil

Cacoxenite is the trade name for this naturally occurring blend of seven stone types

Rose Quartz is a silicon dioxide crystal and one of the most common varieties of the Quartz family

Gold Rutilated Quartz 5X7mm-8X10mm Rough Nugget - 15-16 inch - CLEARANCE China Biotite is a name usedRutilated 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,