Quartz with Bicolor Tourmaline 2-4" Size:2-4 Inch blue to green mineral that

blue to green mineral that is formed out of copper and aluminum

celebrating the natural beauty of this remarkable gem

the earth's atmosphere had less oxygen than it does now and the banded iron formation only occurred in these conditions

The mine operates year around

There are some differences

Quartz with Bicolor Tourmaline 2-4" Size:2-4 Inch blue to green mineral thatThese beautiful specimens are made up of clear quartz with inclusions of bicolor tourmaline crystals growing within the quartz and or albite feldspar. Each piece is from Brazil and is roughly 2 4" wide. The intricate striations of the tourmaline shows dramatically next to the quartz crystals . Clear quartz is one of the most abundant minerals in the world and is rated at a 7 on the Mohs hardness scale. It can be found in many forms such as tumbled,