Black Rutilated Quartz 8mm Faceted Bicone - 15-16 Inch Stone Type_Sunset Dumortierite Mexican Laguna Lace Agate is

Mexican Laguna Lace Agate is one of the most prized agates in the world

It is one of the most rare and sought after forms of Agate

Formed deep underground during the cooling of magma

Ametrine is quartz that occurs in bands of purple and yellow

Black Rutilated Quartz 8mm Faceted Bicone - 15-16 Inch Stone Type_Sunset Dumortierite Mexican Laguna Lace Agate isRutilated 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