Black Rutilated Quartz 6mm Star Cut Coin A Grade - 15-16 Inch featured_06042026 It is an aluminum borosilicate

It is an aluminum borosilicate mixed with iron

Lapis is a semi-precious stone and one of the most sought after throughout history

The word "beryl" is derived from the Greek beryllos

Turritella Agate is a variety of Chalcedony

remote parts of the globe

Black Rutilated Quartz 6mm Star Cut Coin A Grade - 15-16 Inch featured_06042026 It is an aluminum borosilicateRutilated 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