Black Rutilated Quartz 10mm Round - 15-16 Inch featured_02152024 Iron gives them blue

Iron gives them blue

Petrified Wood Agate is formed from the petrifaction process of primeval trees over the course of many years

it is exclusively sourced from a single small deposit in the desert of Madagascar

It is often used in kiln furniture and foundry molds

have been used for yellowish gemstones for at least two thousand years

Black Rutilated Quartz 10mm Round - 15-16 Inch featured_02152024 Iron gives them blueRutilated 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