- Shipping & Returns
We make your return shipping easy: use the pre-addressed TNT return label included in your order.
If you prefer, you may ship the return package at your own cost, using a courier of your choice.
Discover all details on how to return in the Customer Care area.
Obsidian is a natural glass formed by the cooling of volcanic lava.
From an aesthetic point of view, the stone is glossy and black or grey in colour. Its attractiveness is linked to its golden and silver iridescence, created by minute bubbles and dimples that reflect and refract light.