Dumortierite Quartzite "Azul do Macaubas" Earrings - Handmade

Handmade earrings made from dumortierite quartzite, also known as "Azul do Macaubas" from Brasil.

Dumortierite Quartzite "Azul do Macaubas"
Quartzite is a stone that is created if sandstone is converted to quartzite due to heat and pressure.
The Azul do Macaubas also contains the mineral dumortierite, from which it gets its blue colour.
It is mostly used as a building material but also for creating sculptures.